using DualScreenDemo;
using System;
using System.IO;
using System.Windows.Markup;
namespace DBObj
{
    public class SongData
    {
        private Song basic;
        private Artist A ;
        private Artist B ;
        public bool isPublicSong { get; set; }
        public PlayState state;
        
        public SongData()
        {
            basic = new("", "", "", "", 0, 1, "");
            A = new("", "");
            // B = new(null, null);
            isPublicSong = false;
        }
        public SongData(string songNumber, string song, string filename, int humanVoice, bool isPublic)
        {
            basic = new(songNumber, song, "", filename, humanVoice, 0, "");
            isPublicSong = isPublic;
        }
        public SongData(string songNumber, string song, string artistA, string artistB, string filename, string artistASimplified, string artistBSimplified, string songSimplified, int humanVoice,int dbChange,string situation)
        {
            basic=new(songNumber,song,songSimplified,filename,humanVoice,dbChange,situation);
            A = new Artist(artistA, artistASimplified);
            B = !artistB.Equals("") ? new Artist(artistB, artistBSimplified) : null;
            isPublicSong = false;
        }
        public SongData(SongData value,PlayState s){
            basic = value.getBasic();
            A = value.getA();
            B = value.getB();
            state =s;
        }
        public Song getBasic() => basic;
        public Artist getA() => A;
        public Artist getB() => B;

        public string getNumber() => basic.getNumber();
        public string getName(bool IsSimplified=false) => basic.getName(IsSimplified);
        public string getName() => basic.getName();
        public string getArtist_A(bool IsSimplified) => A.getName(IsSimplified);
        public string getArtist_A() => A.getName();
        public string getArtist_B(bool IsSimplified) => B.getName(IsSimplified);
        public string getArtist_B() => B.getName();
        public int getNameLength() =>basic.getName().Length; 
        public string getFileName() => basic.getFileName();
        public string next_song_text()
        {
            var str = (state == PlayState.InsertPlayback) ? GetStateTxt(false) : "";
            return String.Format("下一首：{0}  {1}", basic.getName(false),str);
        }
        public string artist_text()
        {
            return B!=null
                    ? $"{A.getName(false)} - {B.getName(false)}"
                    : A.getName(false);
        }
        public string name_text()
        {
            return B!=null
                ? String.Format("{0} - {1} - {2}", A.getName(false), B.getName(false), basic.getName(false))
                : String.Format("{0} - {1}", A.getName(false), basic.getName(false));
        }
        public bool FileExistsInServers()
        {
            foreach (var server in Utils.Env.GetSongServers())
            {
                try
                {
                    string fullPath = Path.Combine(server, basic.getFileName());
                    if (File.Exists(fullPath))
                    {
                        Console.WriteLine($"找到檔案: {fullPath}");
                        return true;
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"檢查檔案時發生錯誤: {ex.Message}");
                }
            }

            Console.WriteLine($"全部 server 都找不到檔案: {basic.getFileName()}");
            return false;
        }
        
        public string getFile()
        {
            return FindExistingPath(basic.getFileName());
        }
        private string FindExistingPath(string filename)
        {
            foreach (var server in Utils.Env.GetSongServers())
            {
                string fullPath = Path.Combine(server, filename);
                if (File.Exists(fullPath)) return fullPath;
            }
            return null; // 找不到就回原本的 filename，不加路徑
        }
        public Color GetStateColor() => state switch
        {
            PlayState.Played         => Color.Gray,
            PlayState.Skipped        => Color.Gray,
            PlayState.NoFile         => Color.Gray,
            PlayState.Playing        => Color.LimeGreen,
            PlayState.InsertPlayback => Color.Gold,
            _                        => Color.White
        };
        public string GetStateTxt(bool IsSimplified) => (state==PlayState.NotPlayed)?"":$"({state.GetDescription(IsSimplified)})";
        public void SetState(PlayState s) => state = s;

        public PlayState GetState() => state;
       
        public int getHumanVoice() => basic.getHumanVoice();
        public override string ToString()
        {
            return  String.Format("{0}  {1}", basic.getName(),state.GetDescription() );
        }
    }
}