using DownKyi.Core.FileName;
using DownKyi.Core.Settings.Models;
using System;
using System.Collections.Generic;
using System.IO;

namespace DownKyi.Core.Settings
{
    public partial class SettingsManager
    {
        // 设置优先下载的视频编码
        private readonly VideoCodecs videoCodecs = VideoCodecs.AVC;

        // 设置优先下载画质
        private readonly int quality = 120;

        // 设置优先下载音质
        private readonly int audioQuality = 30280;

        // 是否下载flv视频后转码为mp4
        private readonly AllowStatus isTranscodingFlvToMp4 = AllowStatus.YES;

        // 默认下载目录
        private readonly string saveVideoRootPath = Path.Combine(Environment.CurrentDirectory, "Media");

        // 历史下载目录
        private readonly List<string> historyVideoRootPaths = new List<string>();

        // 是否使用默认下载目录，如果是，则每次点击下载选中项时不再询问下载目录
        private readonly AllowStatus isUseSaveVideoRootPath = AllowStatus.NO;

        // 下载内容
        private readonly VideoContentSettings videoContent = new VideoContentSettings();

        // 文件命名格式
        private readonly List<FileNamePart> fileNameParts = new List<FileNamePart>
        {
            FileNamePart.MAIN_TITLE,
            FileNamePart.SLASH,
            FileNamePart.SECTION,
            FileNamePart.SLASH,
            FileNamePart.ORDER,
            FileNamePart.HYPHEN,
            FileNamePart.PAGE_TITLE,
            FileNamePart.HYPHEN,
            FileNamePart.VIDEO_QUALITY,
            FileNamePart.HYPHEN,
            FileNamePart.VIDEO_CODEC,
        };

        // 文件命名中的时间格式
        private readonly string fileNamePartTimeFormat = "yyyy-MM-dd";

        // 文件命名中的序号格式
        private readonly OrderFormat orderFormat = OrderFormat.NATURAL;

        /// <summary>
        /// 获取优先下载的视频编码
        /// </summary>
        /// <returns></returns>
        public VideoCodecs GetVideoCodecs()
        {
            appSettings = GetSettings();
            if (appSettings.Video.VideoCodecs == VideoCodecs.NONE)
            {
                // 第一次获取，先设置默认值
                SetVideoCodecs(videoCodecs);
                return videoCodecs;
            }
            return appSettings.Video.VideoCodecs;
        }

        /// <summary>
        /// 设置优先下载的视频编码
        /// </summary>
        /// <param name="videoCodecs"></param>
        /// <returns></returns>
        public bool SetVideoCodecs(VideoCodecs videoCodecs)
        {
            appSettings.Video.VideoCodecs = videoCodecs;
            return SetSettings();
        }

        /// <summary>
        /// 获取优先下载画质
        /// </summary>
        /// <returns></returns>
        public int GetQuality()
        {
            appSettings = GetSettings();
            if (appSettings.Video.Quality == -1)
            {
                // 第一次获取，先设置默认值
                SetQuality(quality);
                return quality;
            }
            return appSettings.Video.Quality;
        }

        /// <summary>
        /// 设置优先下载画质
        /// </summary>
        /// <param name="quality"></param>
        /// <returns></returns>
        public bool SetQuality(int quality)
        {
            appSettings.Video.Quality = quality;
            return SetSettings();
        }

        /// <summary>
        /// 获取优先下载音质
        /// </summary>
        /// <returns></returns>
        public int GetAudioQuality()
        {
            appSettings = GetSettings();
            if (appSettings.Video.AudioQuality == -1)
            {
                // 第一次获取，先设置默认值
                SetAudioQuality(audioQuality);
                return audioQuality;
            }
            return appSettings.Video.AudioQuality;
        }

        /// <summary>
        /// 设置优先下载音质
        /// </summary>
        /// <param name="quality"></param>
        /// <returns></returns>
        public bool SetAudioQuality(int quality)
        {
            appSettings.Video.AudioQuality = quality;
            return SetSettings();
        }

        /// <summary>
        /// 获取是否下载flv视频后转码为mp4
        /// </summary>
        /// <returns></returns>
        public AllowStatus IsTranscodingFlvToMp4()
        {
            appSettings = GetSettings();
            if (appSettings.Video.IsTranscodingFlvToMp4 == AllowStatus.NONE)
            {
                // 第一次获取，先设置默认值
                IsTranscodingFlvToMp4(isTranscodingFlvToMp4);
                return isTranscodingFlvToMp4;
            }
            return appSettings.Video.IsTranscodingFlvToMp4;
        }

        /// <summary>
        /// 设置是否下载flv视频后转码为mp4
        /// </summary>
        /// <param name="isTranscodingFlvToMp4"></param>
        /// <returns></returns>
        public bool IsTranscodingFlvToMp4(AllowStatus isTranscodingFlvToMp4)
        {
            appSettings.Video.IsTranscodingFlvToMp4 = isTranscodingFlvToMp4;
            return SetSettings();
        }

        /// <summary>
        /// 获取下载目录
        /// </summary>
        /// <returns></returns>
        public string GetSaveVideoRootPath()
        {
            appSettings = GetSettings();
            if (appSettings.Video.SaveVideoRootPath == null)
            {
                // 第一次获取，先设置默认值
                SetSaveVideoRootPath(saveVideoRootPath);
                return saveVideoRootPath;
            }
            return appSettings.Video.SaveVideoRootPath;
        }

        /// <summary>
        /// 设置下载目录
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public bool SetSaveVideoRootPath(string path)
        {
            appSettings.Video.SaveVideoRootPath = path;
            return SetSettings();
        }

        /// <summary>
        /// 获取历史下载目录
        /// </summary>
        /// <returns></returns>
        public List<string> GetHistoryVideoRootPaths()
        {
            appSettings = GetSettings();
            if (appSettings.Video.HistoryVideoRootPaths == null)
            {
                // 第一次获取，先设置默认值
                SetHistoryVideoRootPaths(historyVideoRootPaths);
                return historyVideoRootPaths;
            }
            return appSettings.Video.HistoryVideoRootPaths;
        }

        /// <summary>
        /// 设置历史下载目录
        /// </summary>
        /// <param name="historyPaths"></param>
        /// <returns></returns>
        public bool SetHistoryVideoRootPaths(List<string> historyPaths)
        {
            appSettings.Video.HistoryVideoRootPaths = historyPaths;
            return SetSettings();
        }

        /// <summary>
        /// 获取是否使用默认下载目录
        /// </summary>
        /// <returns></returns>
        public AllowStatus IsUseSaveVideoRootPath()
        {
            appSettings = GetSettings();
            if (appSettings.Video.IsUseSaveVideoRootPath == AllowStatus.NONE)
            {
                // 第一次获取，先设置默认值
                IsUseSaveVideoRootPath(isUseSaveVideoRootPath);
                return isUseSaveVideoRootPath;
            }
            return appSettings.Video.IsUseSaveVideoRootPath;
        }

        /// <summary>
        /// 设置是否使用默认下载目录
        /// </summary>
        /// <param name="isUseSaveVideoRootPath"></param>
        /// <returns></returns>
        public bool IsUseSaveVideoRootPath(AllowStatus isUseSaveVideoRootPath)
        {
            appSettings.Video.IsUseSaveVideoRootPath = isUseSaveVideoRootPath;
            return SetSettings();
        }

        /// <summary>
        /// 获取下载内容
        /// </summary>
        /// <returns></returns>
        public VideoContentSettings GetVideoContent()
        {
            appSettings = GetSettings();
            if (appSettings.Video.VideoContent == null)
            {
                // 第一次获取，先设置默认值
                SetVideoContent(videoContent);
                return videoContent;
            }
            return appSettings.Video.VideoContent;
        }

        /// <summary>
        /// 设置下载内容
        /// </summary>
        /// <param name="videoContent"></param>
        /// <returns></returns>
        public bool SetVideoContent(VideoContentSettings videoContent)
        {
            appSettings.Video.VideoContent = videoContent;
            return SetSettings();
        }

        /// <summary>
        /// 获取文件命名格式
        /// </summary>
        /// <returns></returns>
        public List<FileNamePart> GetFileNameParts()
        {
            appSettings = GetSettings();
            if (appSettings.Video.FileNameParts == null || appSettings.Video.FileNameParts.Count == 0)
            {
                // 第一次获取，先设置默认值
                SetFileNameParts(fileNameParts);
                return fileNameParts;
            }
            return appSettings.Video.FileNameParts;
        }

        /// <summary>
        /// 设置文件命名格式
        /// </summary>
        /// <param name="historyPaths"></param>
        /// <returns></returns>
        public bool SetFileNameParts(List<FileNamePart> fileNameParts)
        {
            appSettings.Video.FileNameParts = fileNameParts;
            return SetSettings();
        }

        /// <summary>
        /// 获取文件命名中的时间格式
        /// </summary>
        /// <returns></returns>
        public string GetFileNamePartTimeFormat()
        {
            appSettings = GetSettings();
            if (appSettings.Video.FileNamePartTimeFormat == null || appSettings.Video.FileNamePartTimeFormat == string.Empty)
            {
                // 第一次获取，先设置默认值
                SetFileNamePartTimeFormat(fileNamePartTimeFormat);
                return fileNamePartTimeFormat;
            }
            return appSettings.Video.FileNamePartTimeFormat;
        }

        /// <summary>
        /// 设置文件命名中的时间格式
        /// </summary>
        /// <param name="fileNamePartTimeFormat"></param>
        /// <returns></returns>
        public bool SetFileNamePartTimeFormat(string fileNamePartTimeFormat)
        {
            appSettings.Video.FileNamePartTimeFormat = fileNamePartTimeFormat;
            return SetSettings();
        }

        /// <summary>
        /// 获取文件命名中的序号格式
        /// </summary>
        /// <returns></returns>
        public OrderFormat GetOrderFormat()
        {
            appSettings = GetSettings();
            if (appSettings.Video.OrderFormat == OrderFormat.NOT_SET)
            {
                // 第一次获取，先设置默认值
                SetOrderFormat(orderFormat);
                return orderFormat;
            }
            return appSettings.Video.OrderFormat;
        }

        /// <summary>
        /// 设置文件命名中的序号格式
        /// </summary>
        /// <param name="orderFormat"></param>
        /// <returns></returns>
        public bool SetOrderFormat(OrderFormat orderFormat)
        {
            appSettings.Video.OrderFormat = orderFormat;
            return SetSettings();
        }

    }
}