// 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};

/// Software or hardware component.
#[non_exhaustive]
#[skip_serializing_none]
#[derive(Clone, Debug, PartialEq, Serialize)]
pub struct SBOMComponent {
    /// An optional identifier that can be used to reference the component elsewhere in the BOM.
    #[serde(rename = "bom-ref")]
    pub bom_ref: Option<String>,
    /// The software licenses of the SBOM component.
    #[serde(rename = "licenses")]
    pub licenses: Option<Vec<crate::datadogV2::model::SBOMComponentLicense>>,
    /// The name of the component. This will often be a shortened, single name of the component.
    #[serde(rename = "name")]
    pub name: String,
    /// The custom properties of the component of the SBOM.
    #[serde(rename = "properties")]
    pub properties: Option<Vec<crate::datadogV2::model::SBOMComponentProperty>>,
    /// Specifies the package-url (purl). The purl, if specified, MUST be valid and conform to the [specification](<https://github.com/package-url/purl-spec>).
    #[serde(rename = "purl")]
    pub purl: Option<String>,
    /// The supplier of the component.
    #[serde(rename = "supplier")]
    pub supplier: crate::datadogV2::model::SBOMComponentSupplier,
    /// The SBOM component type
    #[serde(rename = "type")]
    pub type_: crate::datadogV2::model::SBOMComponentType,
    /// The component version.
    #[serde(rename = "version")]
    pub version: String,
    #[serde(flatten)]
    pub additional_properties: std::collections::BTreeMap<String, serde_json::Value>,
    #[serde(skip)]
    #[serde(default)]
    pub(crate) _unparsed: bool,
}

impl SBOMComponent {
    pub fn new(
        name: String,
        supplier: crate::datadogV2::model::SBOMComponentSupplier,
        type_: crate::datadogV2::model::SBOMComponentType,
        version: String,
    ) -> SBOMComponent {
        SBOMComponent {
            bom_ref: None,
            licenses: None,
            name,
            properties: None,
            purl: None,
            supplier,
            type_,
            version,
            additional_properties: std::collections::BTreeMap::new(),
            _unparsed: false,
        }
    }

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

    pub fn licenses(mut self, value: Vec<crate::datadogV2::model::SBOMComponentLicense>) -> Self {
        self.licenses = Some(value);
        self
    }

    pub fn properties(
        mut self,
        value: Vec<crate::datadogV2::model::SBOMComponentProperty>,
    ) -> Self {
        self.properties = Some(value);
        self
    }

    pub fn purl(mut self, value: String) -> Self {
        self.purl = 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 SBOMComponent {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        struct SBOMComponentVisitor;
        impl<'a> Visitor<'a> for SBOMComponentVisitor {
            type Value = SBOMComponent;

            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 bom_ref: Option<String> = None;
                let mut licenses: Option<Vec<crate::datadogV2::model::SBOMComponentLicense>> = None;
                let mut name: Option<String> = None;
                let mut properties: Option<Vec<crate::datadogV2::model::SBOMComponentProperty>> =
                    None;
                let mut purl: Option<String> = None;
                let mut supplier: Option<crate::datadogV2::model::SBOMComponentSupplier> = None;
                let mut type_: Option<crate::datadogV2::model::SBOMComponentType> = None;
                let mut version: 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() {
                        "bom-ref" => {
                            if v.is_null() {
                                continue;
                            }
                            bom_ref = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "licenses" => {
                            if v.is_null() {
                                continue;
                            }
                            licenses = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "name" => {
                            name = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "properties" => {
                            if v.is_null() {
                                continue;
                            }
                            properties = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "purl" => {
                            if v.is_null() {
                                continue;
                            }
                            purl = Some(serde_json::from_value(v).map_err(M::Error::custom)?);
                        }
                        "supplier" => {
                            supplier = 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 Some(ref _type_) = type_ {
                                match _type_ {
                                    crate::datadogV2::model::SBOMComponentType::UnparsedObject(
                                        _type_,
                                    ) => {
                                        _unparsed = true;
                                    }
                                    _ => {}
                                }
                            }
                        }
                        "version" => {
                            version = 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 name = name.ok_or_else(|| M::Error::missing_field("name"))?;
                let supplier = supplier.ok_or_else(|| M::Error::missing_field("supplier"))?;
                let type_ = type_.ok_or_else(|| M::Error::missing_field("type_"))?;
                let version = version.ok_or_else(|| M::Error::missing_field("version"))?;

                let content = SBOMComponent {
                    bom_ref,
                    licenses,
                    name,
                    properties,
                    purl,
                    supplier,
                    type_,
                    version,
                    additional_properties,
                    _unparsed,
                };

                Ok(content)
            }
        }

        deserializer.deserialize_any(SBOMComponentVisitor)
    }
}
