/*
 * Zernio API
 *
 * API reference for Zernio. Authenticate with a Bearer API key. Base URL: https://zernio.com/api
 *
 * The version of the OpenAPI document: 1.0.4
 * Contact: support@zernio.com
 * Generated by: https://openapi-generator.tech
 */

use super::{configuration, ContentType, Error};
use crate::{apis::ResponseContent, models};
use reqwest;
use serde::{de::Error as _, Deserialize, Serialize};
use tokio::fs::File as TokioFile;
use tokio_util::codec::{BytesCodec, FramedRead};

/// struct for typed errors of method [`check_whats_app_number_availability`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum CheckWhatsAppNumberAvailabilityError {
    Status400(),
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`get_whats_app_number_info`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetWhatsAppNumberInfoError {
    Status400(),
    Status401(models::InlineObject),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`get_whats_app_number_kyc_form`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetWhatsAppNumberKycFormError {
    Status400(),
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`get_whats_app_number_remediation`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetWhatsAppNumberRemediationError {
    Status400(),
    Status401(models::InlineObject),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`get_whats_app_phone_number`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetWhatsAppPhoneNumberError {
    Status401(models::InlineObject),
    Status404(models::InlineObject1),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`get_whats_app_phone_numbers`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetWhatsAppPhoneNumbersError {
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`list_whats_app_number_countries`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum ListWhatsAppNumberCountriesError {
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`purchase_whats_app_phone_number`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum PurchaseWhatsAppPhoneNumberError {
    Status400(),
    Status401(models::InlineObject),
    Status403(),
    Status402(),
    Status422(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`release_whats_app_phone_number`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum ReleaseWhatsAppPhoneNumberError {
    Status400(),
    Status401(models::InlineObject),
    Status404(models::InlineObject1),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`remediate_whats_app_number`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum RemediateWhatsAppNumberError {
    Status400(),
    Status401(models::InlineObject),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`search_available_whats_app_numbers`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum SearchAvailableWhatsAppNumbersError {
    Status400(),
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`submit_whats_app_number_kyc`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum SubmitWhatsAppNumberKycError {
    Status400(),
    Status409(),
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`upload_whats_app_number_kyc_document`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum UploadWhatsAppNumberKycDocumentError {
    Status400(),
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method [`validate_whats_app_number_kyc_address`]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum ValidateWhatsAppNumberKycAddressError {
    Status400(models::ValidateWhatsAppNumberKycAddress400Response),
    Status401(models::InlineObject),
    UnknownValue(serde_json::Value),
}

/// Pre-purchase check, so you can warn BEFORE a customer invests in KYC (regulated review is async, 1-3 days). Tells you whether we have deliverable inventory, and what address the customer needs:   - `addressConstraint: geo`  → the registered address MUST be in one of     the returned `areas` (the only place we have stock). A different-area     address passes pre-approval but the number can never be assigned.   - `addressConstraint: country` → any in-country address works.   - `addressConstraint: none` → field-only / instant country, no address. Call this before starting the KYC form for regulated countries.
pub async fn check_whats_app_number_availability(
    configuration: &configuration::Configuration,
    country: &str,
) -> Result<
    models::CheckWhatsAppNumberAvailability200Response,
    Error<CheckWhatsAppNumberAvailabilityError>,
> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_query_country = country;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/availability",
        configuration.base_path
    );
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    req_builder = req_builder.query(&[("country", &p_query_country.to_string())]);
    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::CheckWhatsAppNumberAvailability200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::CheckWhatsAppNumberAvailability200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<CheckWhatsAppNumberAvailabilityError> =
            serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Live snapshot of a connected number straight from Meta: the phone-number node (display number, display name + approval, quality rating, messaging-limit tier, throughput, official-business badge, connection status, health_status) and its owning WhatsApp Business Account (name, business verification, timezone, health_status). Fetched live because Meta updates quality/tier/name/health over time; the call also refreshes the cached values shown on the connection card.
pub async fn get_whats_app_number_info(
    configuration: &configuration::Configuration,
    account_id: &str,
) -> Result<models::GetWhatsAppNumberInfo200Response, Error<GetWhatsAppNumberInfoError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_query_account_id = account_id;

    let uri_str = format!("{}/v1/whatsapp/number-info", configuration.base_path);
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    req_builder = req_builder.query(&[("accountId", &p_query_account_id.to_string())]);
    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::GetWhatsAppNumberInfo200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::GetWhatsAppNumberInfo200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<GetWhatsAppNumberInfoError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// For a Tier 3/4 country, the fields the end customer must provide (Telnyx regulatory requirements) before a number can be ordered: text, date, address, or file (document) per requirement.
pub async fn get_whats_app_number_kyc_form(
    configuration: &configuration::Configuration,
    country: &str,
    profile_id: &str,
) -> Result<models::GetWhatsAppNumberKycForm200Response, Error<GetWhatsAppNumberKycFormError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_query_country = country;
    let p_query_profile_id = profile_id;

    let uri_str = format!("{}/v1/whatsapp/phone-numbers/kyc", configuration.base_path);
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    req_builder = req_builder.query(&[("country", &p_query_country.to_string())]);
    req_builder = req_builder.query(&[("profileId", &p_query_profile_id.to_string())]);
    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::GetWhatsAppNumberKycForm200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::GetWhatsAppNumberKycForm200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<GetWhatsAppNumberKycFormError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// For a number in `regulatory_declined`, returns ONLY the requirements the reviewer flagged declined, as a form spec (same shape as the KYC form GET). The customer fixes just those — Telnyx supports correcting a declined requirement group and re-submitting it (no new number/group). Falls back to the full spec if the provider exposes no per-requirement flags.
pub async fn get_whats_app_number_remediation(
    configuration: &configuration::Configuration,
    id: &str,
) -> Result<models::GetWhatsAppNumberRemediation200Response, Error<GetWhatsAppNumberRemediationError>>
{
    // add a prefix to parameters to efficiently prevent name collisions
    let p_path_id = id;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/{id}/remediate",
        configuration.base_path,
        id = crate::apis::urlencode(p_path_id)
    );
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::GetWhatsAppNumberRemediation200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::GetWhatsAppNumberRemediation200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<GetWhatsAppNumberRemediationError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Retrieve the current status of a purchased phone number. Poll this to track Meta pre-verification (US sync path) and, for regulated (Tier 3/4) numbers, the async lifecycle: pending_regulatory → active (or regulatory_declined). When a regulated number has an Onfido ID step, `onfidoVerificationUrl` appears here once the order is placed — forward it to the end user. (Or subscribe to the whatsapp.number.* webhooks instead of polling.)
pub async fn get_whats_app_phone_number(
    configuration: &configuration::Configuration,
    phone_number_id: &str,
) -> Result<models::GetWhatsAppPhoneNumber200Response, Error<GetWhatsAppPhoneNumberError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_path_phone_number_id = phone_number_id;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/{phoneNumberId}",
        configuration.base_path,
        phoneNumberId = crate::apis::urlencode(p_path_phone_number_id)
    );
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::GetWhatsAppPhoneNumber200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::GetWhatsAppPhoneNumber200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<GetWhatsAppPhoneNumberError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// List all WhatsApp phone numbers purchased by the authenticated user. By default, released numbers are excluded.
pub async fn get_whats_app_phone_numbers(
    configuration: &configuration::Configuration,
    status: Option<&str>,
    profile_id: Option<&str>,
) -> Result<models::GetWhatsAppPhoneNumbers200Response, Error<GetWhatsAppPhoneNumbersError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_query_status = status;
    let p_query_profile_id = profile_id;

    let uri_str = format!("{}/v1/whatsapp/phone-numbers", configuration.base_path);
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    if let Some(ref param_value) = p_query_status {
        req_builder = req_builder.query(&[("status", &param_value.to_string())]);
    }
    if let Some(ref param_value) = p_query_profile_id {
        req_builder = req_builder.query(&[("profileId", &param_value.to_string())]);
    }
    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::GetWhatsAppPhoneNumbers200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::GetWhatsAppPhoneNumbers200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<GetWhatsAppPhoneNumbersError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// The WhatsApp number countries available to purchase, each with its flat monthly price (cents), regulatory tier, whether it needs end-user KYC (Tier 3/4), and whether outbound calling is available (not BIC-blocked). Drives the country picker. Tier-4 countries appear only when enabled.
pub async fn list_whats_app_number_countries(
    configuration: &configuration::Configuration,
) -> Result<models::ListWhatsAppNumberCountries200Response, Error<ListWhatsAppNumberCountriesError>>
{
    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/countries",
        configuration.base_path
    );
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::ListWhatsAppNumberCountries200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::ListWhatsAppNumberCountries200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<ListWhatsAppNumberCountriesError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Initiate purchasing a WhatsApp phone number. Payment-first flow: the user does not pick a specific number. The system either creates a Stripe Checkout Session (first number) or increments the existing subscription quantity and provisions inline (subsequent numbers).  Requires a paid plan. The maximum number of phone numbers is determined by the user's plan.
pub async fn purchase_whats_app_phone_number(
    configuration: &configuration::Configuration,
    purchase_whats_app_phone_number_request: models::PurchaseWhatsAppPhoneNumberRequest,
) -> Result<models::PurchaseWhatsAppPhoneNumber200Response, Error<PurchaseWhatsAppPhoneNumberError>>
{
    // add a prefix to parameters to efficiently prevent name collisions
    let p_body_purchase_whats_app_phone_number_request = purchase_whats_app_phone_number_request;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/purchase",
        configuration.base_path
    );
    let mut req_builder = configuration
        .client
        .request(reqwest::Method::POST, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };
    req_builder = req_builder.json(&p_body_purchase_whats_app_phone_number_request);

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::PurchaseWhatsAppPhoneNumber200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::PurchaseWhatsAppPhoneNumber200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<PurchaseWhatsAppPhoneNumberError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Release a purchased phone number. This will: 1. Disconnect any linked WhatsApp social account 2. Decrement the Stripe subscription quantity (or cancel if last number) 3. Release the number from Telnyx 4. Mark the number as released
pub async fn release_whats_app_phone_number(
    configuration: &configuration::Configuration,
    phone_number_id: &str,
) -> Result<models::ReleaseWhatsAppPhoneNumber200Response, Error<ReleaseWhatsAppPhoneNumberError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_path_phone_number_id = phone_number_id;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/{phoneNumberId}",
        configuration.base_path,
        phoneNumberId = crate::apis::urlencode(p_path_phone_number_id)
    );
    let mut req_builder = configuration
        .client
        .request(reqwest::Method::DELETE, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::ReleaseWhatsAppPhoneNumber200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::ReleaseWhatsAppPhoneNumber200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<ReleaseWhatsAppPhoneNumberError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Submit corrected values/documents for the declined requirement(s). We PATCH them onto the SAME requirement group and re-submit it for approval; the number goes `regulatory_declined` → `pending_regulatory`. No new number and no new billing. Body shape matches the KYC submit (values / documents / address) — send only the corrected fields.
pub async fn remediate_whats_app_number(
    configuration: &configuration::Configuration,
    id: &str,
    remediate_whats_app_number_request: models::RemediateWhatsAppNumberRequest,
) -> Result<models::RemediateWhatsAppNumber200Response, Error<RemediateWhatsAppNumberError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_path_id = id;
    let p_body_remediate_whats_app_number_request = remediate_whats_app_number_request;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/{id}/remediate",
        configuration.base_path,
        id = crate::apis::urlencode(p_path_id)
    );
    let mut req_builder = configuration
        .client
        .request(reqwest::Method::POST, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };
    req_builder = req_builder.json(&p_body_remediate_whats_app_number_request);

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::RemediateWhatsAppNumber200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::RemediateWhatsAppNumber200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<RemediateWhatsAppNumberError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Search the provider's inventory for numbers available to purchase in a country (default US). Optional filters narrow the results. The country must be offerable (see GET /v1/whatsapp/phone-numbers/countries).
pub async fn search_available_whats_app_numbers(
    configuration: &configuration::Configuration,
    country: Option<&str>,
    r#type: Option<&str>,
    prefix: Option<&str>,
    locality: Option<&str>,
    contains: Option<&str>,
    limit: Option<i32>,
) -> Result<
    models::SearchAvailableWhatsAppNumbers200Response,
    Error<SearchAvailableWhatsAppNumbersError>,
> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_query_country = country;
    let p_query_type = r#type;
    let p_query_prefix = prefix;
    let p_query_locality = locality;
    let p_query_contains = contains;
    let p_query_limit = limit;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/available",
        configuration.base_path
    );
    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);

    if let Some(ref param_value) = p_query_country {
        req_builder = req_builder.query(&[("country", &param_value.to_string())]);
    }
    if let Some(ref param_value) = p_query_type {
        req_builder = req_builder.query(&[("type", &param_value.to_string())]);
    }
    if let Some(ref param_value) = p_query_prefix {
        req_builder = req_builder.query(&[("prefix", &param_value.to_string())]);
    }
    if let Some(ref param_value) = p_query_locality {
        req_builder = req_builder.query(&[("locality", &param_value.to_string())]);
    }
    if let Some(ref param_value) = p_query_contains {
        req_builder = req_builder.query(&[("contains", &param_value.to_string())]);
    }
    if let Some(ref param_value) = p_query_limit {
        req_builder = req_builder.query(&[("limit", &param_value.to_string())]);
    }
    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::SearchAvailableWhatsAppNumbers200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::SearchAvailableWhatsAppNumbers200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<SearchAvailableWhatsAppNumbersError> =
            serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Submit the end customer's KYC (textual values, uploaded documents, address) for a Tier 3/4 country. Documents are streamed straight to the number provider and are not stored by Zernio. Builds + submits a regulatory requirement group and claims a pending_regulatory slot; the number is ordered + activated once the provider approves (asynchronous). A customer may hold several same-country numbers in review at once; a double-submit of the SAME attempt is deduped via `submissionId`.  For an ID-card document requirement, carriers commonly require BOTH sides: combine the front and back into a single file before uploading (the dashboard does this automatically). A one-sided ID is a common decline reason; fix it via POST /v1/whatsapp/phone-numbers/{id}/remediate.  Before submitting, call GET /v1/whatsapp/phone-numbers/availability to check the country has deliverable inventory and, for geographic-match countries, which area the address must be in — otherwise the submission can pass review yet never be assignable a number.
pub async fn submit_whats_app_number_kyc(
    configuration: &configuration::Configuration,
    submit_whats_app_number_kyc_request: models::SubmitWhatsAppNumberKycRequest,
) -> Result<models::SubmitWhatsAppNumberKyc200Response, Error<SubmitWhatsAppNumberKycError>> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_body_submit_whats_app_number_kyc_request = submit_whats_app_number_kyc_request;

    let uri_str = format!("{}/v1/whatsapp/phone-numbers/kyc", configuration.base_path);
    let mut req_builder = configuration
        .client
        .request(reqwest::Method::POST, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };
    req_builder = req_builder.json(&p_body_submit_whats_app_number_kyc_request);

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::SubmitWhatsAppNumberKyc200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::SubmitWhatsAppNumberKyc200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<SubmitWhatsAppNumberKycError> = serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Upload ONE document and get back its provider document id, to reference from POST /v1/whatsapp/phone-numbers/kyc via `documents[].documentId`. Send the RAW file bytes as the request body (not base64); put the filename in the `X-Filename` header. Uploading documents one-per-request keeps each request under the ~4.5MB body limit. The document streams straight to the number provider and is not stored by Zernio.
pub async fn upload_whats_app_number_kyc_document(
    configuration: &configuration::Configuration,
    x_filename: &str,
    body: std::path::PathBuf,
) -> Result<
    models::UploadWhatsAppNumberKycDocument200Response,
    Error<UploadWhatsAppNumberKycDocumentError>,
> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_header_x_filename = x_filename;
    let p_body_body = body;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/kyc/upload-document",
        configuration.base_path
    );
    let mut req_builder = configuration
        .client
        .request(reqwest::Method::POST, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    req_builder = req_builder.header("X-Filename", p_header_x_filename.to_string());
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };
    let file = TokioFile::open(p_body_body).await?;
    let stream = FramedRead::new(file, BytesCodec::new());
    req_builder = req_builder.body(reqwest::Body::wrap_stream(stream));

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::UploadWhatsAppNumberKycDocument200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::UploadWhatsAppNumberKycDocument200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<UploadWhatsAppNumberKycDocumentError> =
            serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}

/// Optional early check for the address step of a Tier 4 (end-user identity) registration: validates a postal address for deliverability BEFORE the full KYC submit, so it can be corrected before any documents are uploaded. The full submit (POST /v1/whatsapp/phone-numbers/kyc) re-validates the address, so this call is purely a fast feedback path and skipping it is safe. Only the postal address is sent (no documents, no gov-ID fields). A region (`administrative_area`) is required by the validator; when it is omitted the pre-check is skipped and `{ ok: true, skipped: true }` is returned (the final submit still validates).
pub async fn validate_whats_app_number_kyc_address(
    configuration: &configuration::Configuration,
    validate_whats_app_number_kyc_address_request: models::ValidateWhatsAppNumberKycAddressRequest,
) -> Result<
    models::ValidateWhatsAppNumberKycAddress200Response,
    Error<ValidateWhatsAppNumberKycAddressError>,
> {
    // add a prefix to parameters to efficiently prevent name collisions
    let p_body_validate_whats_app_number_kyc_address_request =
        validate_whats_app_number_kyc_address_request;

    let uri_str = format!(
        "{}/v1/whatsapp/phone-numbers/kyc/validate-address",
        configuration.base_path
    );
    let mut req_builder = configuration
        .client
        .request(reqwest::Method::POST, &uri_str);

    if let Some(ref user_agent) = configuration.user_agent {
        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
    }
    if let Some(ref token) = configuration.bearer_access_token {
        req_builder = req_builder.bearer_auth(token.to_owned());
    };
    req_builder = req_builder.json(&p_body_validate_whats_app_number_kyc_address_request);

    let req = req_builder.build()?;
    let resp = configuration.client.execute(req).await?;

    let status = resp.status();
    let content_type = resp
        .headers()
        .get("content-type")
        .and_then(|v| v.to_str().ok())
        .unwrap_or("application/octet-stream");
    let content_type = super::ContentType::from(content_type);

    if !status.is_client_error() && !status.is_server_error() {
        let content = resp.text().await?;
        match content_type {
            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::ValidateWhatsAppNumberKycAddress200Response`"))),
            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::ValidateWhatsAppNumberKycAddress200Response`")))),
        }
    } else {
        let content = resp.text().await?;
        let entity: Option<ValidateWhatsAppNumberKycAddressError> =
            serde_json::from_str(&content).ok();
        Err(Error::ResponseError(ResponseContent {
            status,
            content,
            entity,
        }))
    }
}
