using AdminService.GameConfigs;
using Common;
using CommonDomain;
using CommonDomain.BaseModel;
using CommonInfrastructure;
using Microsoft.AspNetCore.Mvc;

namespace AdminApi.Lottery
{
    [ApiController, Route("adminapi/[controller]")]
    public class LotteryController : BaseController
    {
        private readonly IActivityConfigService _activityConfigService;
        private readonly IGameConfigService _gameConfigService;

        public LotteryController(IActivityConfigService activityConfigService, IGameConfigService gameConfigService)
        {
            _activityConfigService = activityConfigService;
            _gameConfigService = gameConfigService;
        }

        /// <summary>
        /// 获取奖池抽奖活动列表（基于 ActivityConfig 中的 LotteryActivityConfig）
        /// </summary>
        [HttpGet("list")]
        public async Task<BaseResponse<List<LotteryActivityVm>>> List()
        {
            var config = await _activityConfigService.Get();
            if (config == null)
                return this.ToResult(new List<LotteryActivityVm>());

            var lotto = config.LotteryActivityConfig;
            if (lotto == null || string.IsNullOrWhiteSpace(lotto.ActivityName))
                return this.ToResult(new List<LotteryActivityVm>());

            LotteryPrizeProductHelper.Enrich(lotto, await _gameConfigService.Get());

            var vm = new LotteryActivityVm
            {
                ActivityId = config.Id,
                ActivityName = lotto.ActivityName,
                IsOpen = lotto.IsOpen,
                StartTime = lotto.StartTime,
                EndTime = lotto.EndTime,
                CostsByPool = lotto.CostsByPool,
                UserMaxDraw = lotto.UserMaxDraw,
                Pools = lotto.Pools
            };

            return this.ToResult(new List<LotteryActivityVm> { vm });
        }

        /// <summary>
        /// 获取奖池抽奖活动详情
        /// </summary>
        [HttpGet("detail")]
        public async Task<BaseResponse<LotteryActivityVm>> Detail([FromQuery] string activityId)
        {
            var config = await _activityConfigService.Get();
            if (config == null)
                return this.ToFailResult<LotteryActivityVm>("活动配置不存在");

            LotteryPrizeProductHelper.Enrich(config.LotteryActivityConfig, await _gameConfigService.Get());

            var vm = new LotteryActivityVm
            {
                ActivityId = config.Id,
                ActivityName = config.LotteryActivityConfig.ActivityName,
                IsOpen = config.LotteryActivityConfig.IsOpen,
                StartTime = config.LotteryActivityConfig.StartTime,
                EndTime = config.LotteryActivityConfig.EndTime,
                CostsByPool = config.LotteryActivityConfig.CostsByPool,
                UserMaxDraw = config.LotteryActivityConfig.UserMaxDraw,
                Pools = config.LotteryActivityConfig.Pools
            };

            return this.ToResult(vm);
        }

        /// <summary>
        /// 保存奖池抽奖活动配置（新增或更新）
        /// </summary>
        [HttpPost("save")]
        public async Task<BaseResponse<string>> Save([FromBody] LotteryActivityVm param)
        {
            if (string.IsNullOrWhiteSpace(param.ActivityName))
                return this.ToFailResult<string>("活动名称不能为空");

            var pools = param.Pools ?? new List<LotteryPoolLevel>();
            if (pools.SelectMany(pool => pool.PrizeList ?? new List<LotteryPrize>())
                .Any(prize => !string.IsNullOrWhiteSpace(prize.OtherId)))
            {
                var gameConfig = await _gameConfigService.Get();
                if (gameConfig == null)
                    return this.ToFailResult<string>("道具配置不存在，无法补全奖项信息");
                EnrichPrizeProducts(pools, gameConfig);
            }

            var activityConfig = await _activityConfigService.Get() ?? new ActivityConfig();
            var previousLottery = activityConfig.LotteryActivityConfig;
            var cycleChanged = previousLottery == null
                || previousLottery.StartTime != param.StartTime
                || previousLottery.EndTime != param.EndTime;

            if (cycleChanged)
            {
                foreach (var prize in pools.SelectMany(pool => pool.PrizeList ?? new List<LotteryPrize>()))
                    prize.DrawnCount = 0;
            }

            var normalizedCostsByPool = new Dictionary<int, List<long>>();
            var poolNames = new Dictionary<int, string> { [1] = "炮台", [2] = "战神", [3] = "翅膀" };
            for (var poolType = 1; poolType <= 3; poolType++)
            {
                List<long>? poolCosts = null;
                param.CostsByPool?.TryGetValue(poolType, out poolCosts);
                var validPoolCosts = poolCosts?.Where(cost => cost > 0).ToList();
                if (validPoolCosts == null || validPoolCosts.Count == 0)
                    return this.ToFailResult<string>($"请配置{poolNames[poolType]}奖池消耗金币");

                normalizedCostsByPool[poolType] = validPoolCosts;
            }

            activityConfig.LotteryActivityConfig = new LotteryActivityConfig
            {
                ActivityName = param.ActivityName,
                IsOpen = param.IsOpen,
                StartTime = param.StartTime,
                EndTime = param.EndTime,
                CostsByPool = normalizedCostsByPool,
                UserMaxDraw = param.UserMaxDraw,
                Pools = pools
            };

            var res = await _activityConfigService.Update(activityConfig);
            if (res.isok)
                return this.ToResult("保存成功");
            else
                return this.ToFailResult<string>(res.msg);
        }

        private static void EnrichPrizeProducts(List<LotteryPoolLevel> pools, GameConfig gameConfig)
        {
            LotteryPrizeProductHelper.Enrich(new LotteryActivityConfig { Pools = pools }, gameConfig);
        }

        /// <summary>
        /// 切换奖池抽奖活动开启/关闭状态
        /// </summary>
        [HttpPost("toggle")]
        public async Task<BaseResponse<string>> Toggle([FromBody] LotteryToggleParam param)
        {
            var activityConfig = await _activityConfigService.Get();
            if (activityConfig == null)
                return this.ToFailResult<string>("活动配置不存在");

            activityConfig.LotteryActivityConfig.IsOpen = param.IsOpen;

            var res = await _activityConfigService.Update(activityConfig);
            if (res.isok)
                return this.ToResult(param.IsOpen ? "活动已开启" : "活动已关闭");
            else
                return this.ToFailResult<string>(res.msg);
        }

        /// <summary>
        /// 从独立模板初始化完整奖池配置。只在管理员明确点击时执行，其他活动配置不变。
        /// </summary>
        [HttpPost("initialize")]
        public async Task<BaseResponse<string>> Initialize()
        {
            var path = Path.Combine(AppContext.BaseDirectory, "Config", "lottery-init.json");
            if (!global::System.IO.File.Exists(path))
                return this.ToFailResult<string>("奖池初始化模板不存在");

            LotteryActivityConfig? template;
            try
            {
                var json = await global::System.IO.File.ReadAllTextAsync(path);
                template = global::System.Text.Json.JsonSerializer.Deserialize<LotteryActivityConfig>(json,
                    new global::System.Text.Json.JsonSerializerOptions { PropertyNameCaseInsensitive = true });
            }
            catch (global::System.Text.Json.JsonException)
            {
                return this.ToFailResult<string>("奖池初始化模板格式错误");
            }

            var pools = template?.Pools;
            var prizes = pools?.SelectMany(pool => pool.PrizeList ?? new List<LotteryPrize>()).ToList();
            if (template == null || string.IsNullOrWhiteSpace(template.ActivityName)
                || template.CostsByPool == null
                || new[] { 1, 2, 3 }.Any(type => !template.CostsByPool.TryGetValue(type, out var costs) || costs == null || costs.Count == 0)
                || pools == null || pools.Count == 0 || prizes == null || prizes.Count == 0
                || new[] { 1, 2, 3 }.Any(type => !pools.Any(pool => pool.PoolType == type && pool.PrizeList?.Count > 0))
                || prizes.Any(prize => string.IsNullOrWhiteSpace(prize.PrizeId))
                || prizes.Select(prize => prize.PrizeId).Distinct().Count() != prizes.Count)
                return this.ToFailResult<string>("奖池初始化模板不完整，未修改现有配置");

            template.IsOpen = false;
            foreach (var prize in prizes) prize.DrawnCount = 0;
            var config = await _activityConfigService.Get() ?? new ActivityConfig();
            config.LotteryActivityConfig = template;
            var result = await _activityConfigService.Update(config);
            return result.isok
                ? this.ToResult("奖池配置已初始化，活动保持关闭")
                : this.ToFailResult<string>(result.msg);
        }

        /// <summary>
        /// 删除奖池抽奖活动配置（重置为默认空配置）
        /// </summary>
        [HttpDelete("delete")]
        public async Task<BaseResponse<string>> Delete()
        {
            var activityConfig = await _activityConfigService.Get();
            if (activityConfig == null)
                return this.ToFailResult<string>("活动配置不存在");

            activityConfig.LotteryActivityConfig = new LotteryActivityConfig();

            var res = await _activityConfigService.Update(activityConfig);
            if (res.isok)
                return this.ToResult("删除成功");
            else
                return this.ToFailResult<string>(res.msg);
        }
    }

    public class LotteryActivityVm
    {
        public string ActivityId { get; set; } = string.Empty;

        public string ActivityName { get; set; } = string.Empty;

        public bool IsOpen { get; set; } = false;

        public long StartTime { get; set; } = 0;

        public long EndTime { get; set; } = 0;

        public Dictionary<int, List<long>> CostsByPool { get; set; } = new Dictionary<int, List<long>>();

        public int UserMaxDraw { get; set; } = 100;

        public List<LotteryPoolLevel> Pools { get; set; } = new List<LotteryPoolLevel>();
    }

    public class LotteryToggleParam
    {
        public string ActivityId { get; set; } = string.Empty;

        public bool IsOpen { get; set; }
    }
}