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use super::*;

const DEAUTHENTICATION_FRAME_SIZE: usize = DeauthenticationFrame::FIXED_PARAMETERS_END;

#[derive(Default)]
pub struct DeauthenticationFrameBuilder {
    bytes: [u8; DEAUTHENTICATION_FRAME_SIZE],
}
impl DeauthenticationFrameBuilder {
    #[must_use]
    pub fn new() -> Self {
        let mut builder = Self {
            bytes: [0; DEAUTHENTICATION_FRAME_SIZE],
        };

        builder.type_(FrameType::Management);
        builder.subtype(FrameSubtype::Management(
            ManagementSubtype::Deauthentication,
        ));

        builder.reason_code(ReasonCode::STALeavingIBSSOrESS);

        builder
    }

    #[must_use]
    pub fn build(&self) -> DeauthenticationFrame {
        DeauthenticationFrame::new(self.bytes().to_vec())
    }
}
impl FrameBuilderTrait for DeauthenticationFrameBuilder {
    fn bytes(&self) -> &[u8] {
        &self.bytes
    }

    fn bytes_mut(&mut self) -> &mut [u8] {
        &mut self.bytes
    }
}
impl FragmentSequenceBuilderTrait for DeauthenticationFrameBuilder {}
impl ManagementFrameBuilderTrait for DeauthenticationFrameBuilder {}
impl DeauthenticationFixedParametersBuilderTrait for DeauthenticationFrameBuilder {}

#[test]
fn test_deauthentication_frame_builder() {
    let mut deauthentication_frame_builder = DeauthenticationFrameBuilder::new();

    deauthentication_frame_builder.version(FrameVersion::Standard);
    deauthentication_frame_builder.subtype(FrameSubtype::Management(ManagementSubtype::Beacon));
    deauthentication_frame_builder.ds_status(DSStatus::FromDSToSTA);

    deauthentication_frame_builder.more_fragments(false);
    deauthentication_frame_builder.retry(true);
    deauthentication_frame_builder.pwr_mgt(true);
    deauthentication_frame_builder.more_data(false);
    deauthentication_frame_builder.protected(false);
    deauthentication_frame_builder.order(false);

    deauthentication_frame_builder.source_address("11:22:33:44:55:66".parse().unwrap());
    deauthentication_frame_builder.destination_address("22:22:33:44:55:66".parse().unwrap());
    deauthentication_frame_builder.bssid_address("33:22:33:44:55:66".parse().unwrap());

    deauthentication_frame_builder.sequence_number(10);
    deauthentication_frame_builder.fragment_number(11);

    deauthentication_frame_builder.reason_code(ReasonCode::STALeavingBSS);

    let deauthentication_frame = deauthentication_frame_builder.build();

    assert_eq!(
        deauthentication_frame.version(),
        FrameVersion::Standard,
        "version"
    );
    assert_eq!(
        deauthentication_frame.subtype(),
        FrameSubtype::Management(ManagementSubtype::Beacon),
        "subtype"
    );
    assert_eq!(
        deauthentication_frame.ds_status(),
        DSStatus::FromDSToSTA,
        "ds_status"
    );

    assert_eq!(
        deauthentication_frame.more_fragments(),
        false,
        "more_fragments"
    );
    assert_eq!(deauthentication_frame.retry(), true, "retry");
    assert_eq!(deauthentication_frame.pwr_mgt(), true, "pwr_mgt");
    assert_eq!(
        deauthentication_frame.more_data(),
        false,
        "more_deauthentication"
    );
    assert_eq!(deauthentication_frame.protected(), false, "protected");
    assert_eq!(deauthentication_frame.order(), false, "order");

    assert_eq!(
        deauthentication_frame
            .source_address()
            .expect("source_address"),
        "11:22:33:44:55:66".parse().unwrap(),
        "source_address"
    );

    assert_eq!(
        deauthentication_frame
            .destination_address()
            .expect("destination_address"),
        "22:22:33:44:55:66".parse().unwrap(),
        "destination_address"
    );

    assert_eq!(
        deauthentication_frame
            .bssid_address()
            .expect("bssid_address"),
        "33:22:33:44:55:66".parse().unwrap(),
        "bssid_address"
    );

    assert_eq!(deauthentication_frame.sequence_number(), 10);
    assert_eq!(deauthentication_frame.fragment_number(), 11);

    assert_eq!(
        deauthentication_frame.reason_code(),
        ReasonCode::STALeavingBSS,
        "reason_code"
    );
}