use winter_matroska::TrackEntry;

enum VPLevel {
    Level1 = 10,
    Level1_1 = 11,
    Level2 = 20,
    Level2_1 = 21,
    Level3 = 30,
    Level3_1 = 31,
    Level4 = 40,
    Level4_1 = 41,
    Level5 = 50,
    Level5_1 = 51,
    Level5_2 = 52,
    Level6 = 60,
    Level6_1 = 61,
    Level6_2 = 62,
}

struct VPLevelDef {
    level: VPLevel,
    max_luma_sample_rate: u64,
    max_luma_picture_size: u32,
    max_avg_bitrate: f64,
    max_cpb_size: f64,
    min_compression_ratio: f64,
    max_num_column_tiles: u8,
    min_altref_distance: u32,
    max_ref_frame_buffers: u8,
}

static LEVELS: &[VPLevelDef] = {
    #[allow(clippy::too_many_arguments)]
    const fn level(
        a: VPLevel,
        b: u64,
        c: u32,
        d: f64,
        e: f64,
        f: f64,
        g: u8,
        h: u32,
        i: u8,
    ) -> VPLevelDef {
        VPLevelDef {
            level: a,
            max_luma_sample_rate: b,
            max_luma_picture_size: c,
            max_avg_bitrate: d,
            max_cpb_size: e,
            min_compression_ratio: f,
            max_num_column_tiles: g,
            min_altref_distance: h,
            max_ref_frame_buffers: i,
        }
    }
    use VPLevel::*;
    #[rustfmt::skip]
    &[
        level(Level1, 829440, 36864, 200., 400., 2., 1, 4, 8),
        level(Level1_1, 2764800, 73728, 800., 1000., 2., 1, 4, 8),
        level(Level2, 4608000, 122880, 1800., 1500., 2., 1, 4, 8),
        level(Level2_1, 9216000, 245760, 3600., 2800., 2., 2, 4, 8),
        level(Level3, 20736000, 552960, 7200., 6000., 2., 4, 4, 8),
        level(Level3_1, 36864000, 983040, 12000., 10000., 2., 4, 4, 8),
        level(Level4, 83558400, 2228224, 18000., 16000., 4., 4, 4, 8),
        level(Level4_1, 160432128, 2228224, 30000., 18000., 4., 4, 5, 6),
        level(Level5, 311951360, 8912896, 60000., 36000., 6., 8, 6, 4),
        level(Level5_1, 588251136, 8912896, 120000., 46000., 8., 8, 10, 4),
        level(Level5_2, 1176502272, 8912896, 180000., 90000., 8., 8, 10, 4),
        level(Level6, 1176502272, 35651584, 180000., 90000., 8., 16, 10, 4),
        level(Level6_1, 2353004544, 35651584, 240000., 180000., 8., 16, 10, 4),
        level(Level6_2, 4706009088, 35651584, 480000., 360000., 8., 16, 10, 4),
    ]
};

pub fn vp9_codec_param(_te: &TrackEntry) -> String {
    "vp09.00.50.08".to_string()
}