// Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2019-Present Datadog, Inc.
use serde::de::{Error, MapAccess, Visitor};
use serde::{Deserialize, Deserializer, Serialize};
use serde_with::skip_serializing_none;
use std::fmt::{self, Formatter};

/// Definition of a custom attribute field to import from a data source connection.
#[non_exhaustive]
#[skip_serializing_none]
#[derive(Clone, Debug, PartialEq, Serialize)]
pub struct CreateConnectionRequestDataAttributesFieldsItems {
    /// Human-readable explanation of what the field represents.
    #[serde(rename = "description")]
    pub description: Option<String>,
    /// The human-readable label for the field shown in the UI.
    #[serde(rename = "display_name")]
    pub display_name: Option<String>,
    /// List of group labels used to categorize the field.
    #[serde(rename = "groups")]
    pub groups: Option<Vec<String>>,
    /// The unique identifier for the field within the connection.
    #[serde(rename = "id")]
    pub id: String,
    /// The name of the column or attribute in the source data system that maps to this field.
    #[serde(rename = "source_name")]
    pub source_name: String,
    /// The data type of the field (for example, string or number).
    #[serde(rename = "type")]
    pub type_: String,
    #[serde(flatten)]
    pub additional_properties: std::collections::BTreeMap<String, serde_json::Value>,
    #[serde(skip)]
    #[serde(default)]
    pub(crate) _unparsed: bool,
}

impl CreateConnectionRequestDataAttributesFieldsItems {
    pub fn new(
        id: String,
        source_name: String,
        type_: String,
    ) -> CreateConnectionRequestDataAttributesFieldsItems {
        CreateConnectionRequestDataAttributesFieldsItems {
            description: None,
            display_name: None,
            groups: None,
            id,
            source_name,
            type_,
            additional_properties: std::collections::BTreeMap::new(),
            _unparsed: false,
        }
    }

    pub fn description(mut self, value: String) -> Self {
        self.description = Some(value);
        self
    }

    pub fn display_name(mut self, value: String) -> Self {
        self.display_name = Some(value);
        self
    }

    pub fn groups(mut self, value: Vec<String>) -> Self {
        self.groups = Some(value);
        self
    }

    pub fn additional_properties(
        mut self,
        value: std::collections::BTreeMap<String, serde_json::Value>,
    ) -> Self {
        self.additional_properties = value;
        self
    }
}

impl<'de> Deserialize<'de> for CreateConnectionRequestDataAttributesFieldsItems {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        struct CreateConnectionRequestDataAttributesFieldsItemsVisitor;
        impl<'a> Visitor<'a> for CreateConnectionRequestDataAttributesFieldsItemsVisitor {
            type Value = CreateConnectionRequestDataAttributesFieldsItems;

            fn expecting(&self, f: &mut Formatter<'_>) -> fmt::Result {
                f.write_str("a mapping")
            }

            fn visit_map<M>(self, mut map: M) -> Result<Self::Value, M::Error>
            where
                M: MapAccess<'a>,
            {
                let mut description: Option<String> = None;
                let mut display_name: Option<String> = None;
                let mut groups: Option<Vec<String>> = None;
                let mut id: Option<String> = None;
                let mut source_name: Option<String> = None;
                let mut type_: Option<String> = None;
                let mut additional_properties: std::collections::BTreeMap<
                    String,
                    serde_json::Value,
                > = std::collections::BTreeMap::new();
                let mut _unparsed = false;

                while let Some((k, v)) = map.next_entry::<String, serde_json::Value>()? {
                    match k.as_str() {
                        "description" => {
                            if v.is_null() {
                                continue;
                            }
                            description =
                                Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "display_name" => {
                            if v.is_null() {
                                continue;
                            }
                            display_name =
                                Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "groups" => {
                            if v.is_null() {
                                continue;
                            }
                            groups = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "id" => {
                            id = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "source_name" => {
                            source_name =
                                Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "type" => {
                            type_ = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        &_ => {
                            if let Ok(value) = serde_json::from_value(v.clone()) {
                                additional_properties.insert(k, value);
                            }
                        }
                    }
                }
                let id = id.ok_or_else(|| M::Error::missing_field("id"))?;
                let source_name =
                    source_name.ok_or_else(|| M::Error::missing_field("source_name"))?;
                let type_ = type_.ok_or_else(|| M::Error::missing_field("type_"))?;

                let content = CreateConnectionRequestDataAttributesFieldsItems {
                    description,
                    display_name,
                    groups,
                    id,
                    source_name,
                    type_,
                    additional_properties,
                    _unparsed,
                };

                Ok(content)
            }
        }

        deserializer.deserialize_any(CreateConnectionRequestDataAttributesFieldsItemsVisitor)
    }
}
