using UnityEngine;

namespace Funique
{
    public struct MediaChannel
    {
        public MediaType mediaType;
        public string inf;
        public string path;
        public string v_codec;
        public string a_codec;
        public float framerate;
        public int width;
        public int height;
        public long bandwidth;
        public long average;

        public string Bitrate_Simplify
        {
            get
            {
                long target = bandwidth;
                char[] code = new char[] { 'K', 'M', 'G', 'T' };
                int digit = target.ToString().Length;
                char c = target.ToString()[0];
                string r = string.Empty;
                if(digit <= 3)
                {
                    r = target.ToString();
                }
                else
                {
                    r += c;
                    int total = (digit - 1) % 3;
                    for (int i = 0; i < total; i++) r += '0';
                    int code_index = Mathf.FloorToInt((digit - 4) / 3);
                    r += code[code_index];
                }
                return r;
            }
        }

        public string GetOptionTitle(ABRDisplayType DisplayFormat)
        {
            switch (DisplayFormat)
            {
                case ABRDisplayType.Resolution:
                    return $"{width}x{height}";
                case ABRDisplayType.ScanLine:
                    return $"{height}p";
                default:
                case ABRDisplayType.ScanLine_Bitrate:
                    return $"{height}p {Bitrate_Simplify}";
                case ABRDisplayType.Bitrate:
                    return $"{Bitrate_Simplify}";
                case ABRDisplayType.URL:
                    return path;
                case ABRDisplayType.Simple_Bitrate:
                    return $"{SimpleTransform(width, height)} {Bitrate_Simplify}";
                case ABRDisplayType.Simple:
                    return $"{SimpleTransform(width, height)}";
            }
        }

        private string SimpleTransform(int w, int h)
        {
            Vector2Int v = new Vector2Int(w, h);
            if (v == new Vector2Int(7680, 7680)) return "8K";
            else if (v == new Vector2Int(7680, 3840)) return "8K";
            else if (v == new Vector2Int(5760, 5760)) return "6K";
            else if (v == new Vector2Int(5760, 3240)) return "6K";
            else if (v == new Vector2Int(5760, 2880)) return "6K";
            else if (v == new Vector2Int(3840, 3840)) return "4K";
            else if (v == new Vector2Int(3840, 2160)) return "4K";
            else if (v == new Vector2Int(1920, 1080)) return "HD";
            else return "Other";
        }
    }
}