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// Take a look at the license at the top of the repository in the LICENSE file.

use std::fmt;

use crate::ffi;
use glib::{translate::*, SendValue};

gst::mini_object_wrapper!(RTSPToken, RTSPTokenRef, ffi::GstRTSPToken, || {
    ffi::gst_rtsp_token_get_type()
});

impl RTSPToken {
    /// Create a new empty Authorization token.
    ///
    /// # Returns
    ///
    /// a new empty authorization token.
    #[doc(alias = "gst_rtsp_token_new_empty")]
    pub fn new_empty() -> Self {
        assert_initialized_main_thread!();
        unsafe { from_glib_full(ffi::gst_rtsp_token_new_empty()) }
    }

    #[doc(alias = "gst_rtsp_token_new")]
    pub fn builder() -> Builder {
        skip_assert_initialized!();
        Builder::new()
    }

    #[allow(clippy::should_implement_trait)]
    pub fn from_iter(iter: impl IntoIterator<Item = (impl IntoGStr, SendValue)>) -> RTSPToken {
        skip_assert_initialized!();
        let mut token = RTSPToken::new_empty();

        let s = token.get_mut().unwrap().structure_mut();
        iter.into_iter().for_each(|(f, v)| s.set_value(f, v));

        token
    }
}

impl RTSPTokenRef {
    #[doc(alias = "get_string")]
    #[doc(alias = "gst_rtsp_token_get_string")]
    pub fn string(&self, field: &str) -> Option<String> {
        unsafe {
            from_glib_none(ffi::gst_rtsp_token_get_string(
                self.as_mut_ptr(),
                field.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "get_structure")]
    #[doc(alias = "gst_rtsp_token_get_structure")]
    pub fn structure(&self) -> Option<gst::Structure> {
        unsafe { from_glib_none(ffi::gst_rtsp_token_get_structure(self.as_mut_ptr())) }
    }

    #[doc(alias = "gst_rtsp_token_is_allowed")]
    pub fn is_allowed(&self, field: &str) -> bool {
        unsafe {
            from_glib(ffi::gst_rtsp_token_is_allowed(
                self.as_mut_ptr(),
                field.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "get_mut_structure")]
    pub fn structure_mut(&mut self) -> &mut gst::StructureRef {
        unsafe {
            let structure = ffi::gst_rtsp_token_writable_structure(self.as_mut_ptr());
            gst::StructureRef::from_glib_borrow_mut(structure)
        }
    }
}

impl fmt::Debug for RTSPToken {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        RTSPTokenRef::fmt(self, f)
    }
}

impl fmt::Debug for RTSPTokenRef {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.debug_struct("RTSPToken")
            .field("structure", &self.structure())
            .finish()
    }
}

#[derive(Debug)]
#[must_use = "The builder must be built to be used"]
pub struct Builder {
    token: RTSPToken,
}

impl Builder {
    fn new() -> Self {
        skip_assert_initialized!();
        Builder {
            token: RTSPToken::new_empty(),
        }
    }

    pub fn field(mut self, name: impl IntoGStr, value: impl Into<glib::Value> + Send) -> Self {
        self.token
            .get_mut()
            .unwrap()
            .structure_mut()
            .set(name, value);
        self
    }

    gst::impl_builder_gvalue_extra_setters!(field);

    #[must_use = "Building the structure without using it has no effect"]
    pub fn build(self) -> RTSPToken {
        self.token
    }
}