using Microsoft.AspNetCore.Mvc;

namespace Application.Web.Controllers.Pub;

/// <summary>
/// 兑换接口
/// </summary>
[Route("[controller]/[action]")]
[ApiController]
[Authorize]
public class ExchangeController : ControllerBase
{
    private readonly IGameMapService _mapService;
    private readonly IExchangeService _exchangeService;

    public ExchangeController(IGameMapService mapService, IExchangeService exchangeService)
    {
        _mapService = mapService;
        _exchangeService = exchangeService;
    }

    /// <summary>
    /// 获取兑换信息
    /// </summary>
    /// <param name="npcId"></param>
    /// <returns></returns>
    [HttpGet]
    public async Task<IPoAction> GetExchangeData(int npcId)
    {
        string userId = StateHelper.userId;
        int areaId = StateHelper.areaId;
        var npcInfo = await _mapService.GetNpcInfo(npcId);
        if (npcInfo == null)
        {
            return PoAction.Message("Npc不存在!");
        }

        if (npcInfo.status != 1)
        {
            return PoAction.Message("Npc不存在!");
        }

        if (!npcInfo.bus.Any(it => it.code == nameof(GameEnum.NpcBusCode.Exchange)))
        {
            return PoAction.Message("业务不可用!");
        }

        var onMap = await _mapService.GetUserOnMapId(userId);
        if (npcInfo.mapId != onMap)
        {
            return PoAction.Message("Npc不存在!");
        }

        var data = await _exchangeService.GetExchangeData(npcId);
        data = data.FindAll(it => GameTool.AreaVerify(areaId, it.areaId) && it.endTime > DateTime.Now);

        return PoAction.Ok(data);
    }

    /// <summary>
    /// 兑换物品
    /// </summary>
    /// <param name="npcId"></param>
    /// <param name="exId"></param>
    /// <param name="count"></param>
    /// <returns></returns>
    [HttpGet]
    public async Task<IPoAction> ExchangeOk(int npcId, int exId, int count)
    {
        count = count < 1 ? 1 : count;
        string userId = StateHelper.userId;
        int areaId = StateHelper.areaId;
        var npcInfo = await _mapService.GetNpcInfo(npcId);
        if (npcInfo == null)
        {
            return PoAction.Message("Npc不存在!");
        }

        if (npcInfo.status != 1)
        {
            return PoAction.Message("Npc不存在!");
        }

        if (!npcInfo.bus.Any(it => it.code == nameof(GameEnum.NpcBusCode.Exchange)))
        {
            return PoAction.Message("业务不可用!");
        }

        var onMap = await _mapService.GetUserOnMapId(userId);
        if (npcInfo.mapId != onMap)
        {
            return PoAction.Message("Npc不存在!");
        }

        var exInfo = await _exchangeService.GetExchangeInfo(exId);
        if (exInfo == null)
        {
            return PoAction.Message("兑换不存在!");
        }

        if (exInfo.endTime < DateTime.Now)
        {
            return PoAction.Message("兑换已结束!");
        }

        if (GameTool.AreaVerify(areaId, exInfo.areaId) == false)
        {
            return PoAction.Message("兑换不存在!");
        }

        int sumCount = await _exchangeService.GetExchangeCount(userId, exId);
        if ((sumCount + count) > exInfo.count)
        {
            int endCount = (int)exInfo.count - sumCount;
            if (endCount == 0)
            {
                return PoAction.Message("您已达到兑换上限!");
            }
            else
            {
                return PoAction.Message($"您最多还能兑换{endCount}次!");
            }
        }

        var result = await GameBus.CheckNeed(userId, exInfo.needData, count);
        if (result.result)
        {
            if (await GameBus.UpdateBag(userId, 0, exInfo.needData, "兑换", count))
            {
                long endTime = TimeExtend.GetTimeStampSecondsByCode(exInfo.exType, (DateTime)exInfo.endTime);

                if (await _exchangeService.AddUserExchangeLog(userId, exId, count, endTime))
                {
                    await GameBus.UpdateBag(userId, 1, exInfo.getData, "兑换", count);
                    return PoAction.Ok(true);
                }
                else
                {
                    return PoAction.Message("兑换失败,请稍后尝试!");
                }
            }
            else
            {
                return PoAction.Message("兑换失败,请稍后尝试!");
            }
        }
        else
        {
            return PoAction.Message("兑换失败,请稍后尝试!");
        }
    }
}