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use crate::{cstr, events::*, host::*, id::*, plugin::*, string_sizes::*};

use std::ffi::CStr;
use std::os::raw::c_char;

pub const CLAP_EXT_TUNING: &CStr = cstr!("clap.tuning.draft/2");

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_event_tuning {
    pub header: clap_event_header,
    pub port_index: i16,
    pub channel: i16,
    pub tunning_id: clap_id,
}

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_tuning_info {
    pub tuning_id: clap_id,
    pub name: [c_char; CLAP_NAME_SIZE],
    pub is_dynamic: bool,
}

unsafe impl Send for clap_tuning_info {}
unsafe impl Sync for clap_tuning_info {}

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_plugin_tuning_t {
    pub changed: Option<unsafe extern "C" fn(plugin: *const clap_plugin)>,
}

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_host_tuning {
    pub get_relative: Option<
        unsafe extern "C" fn(
            host: *const clap_host,
            tuning_id: clap_id,
            channel: i32,
            key: i32,
            sample_offset: u32,
        ) -> f64,
    >,
    pub should_play: Option<
        unsafe extern "C" fn(
            host: *const clap_host,
            tuning_id: clap_id,
            channel: i32,
            key: i32,
        ) -> bool,
    >,
    pub get_tuning_count: Option<unsafe extern "C" fn(host: *const clap_host) -> u32>,
    pub get_info: Option<
        unsafe extern "C" fn(
            host: *const clap_host,
            tuning_index: u32,
            info: *mut clap_tuning_info,
        ) -> bool,
    >,
}