package task

import (
	"context"
	"github.com/spf13/cast"
	"nova_task/internal/model"
	"nova_task/internal/pkg/errs"
	"time"

	"nova_task/internal/svc"
	"nova_task/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type GetTaskListLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// NewGetTaskListLogic 获取任务列表
func NewGetTaskListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetTaskListLogic {
	return &GetTaskListLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetTaskListLogic) GetTaskList(uid int, req *types.GetTaskListReq) (*types.GetTaskListResp, error) {
	//uid := cast.ToStringMapInt(l.ctx.Value("data"))["id"]
	tasks, err := l.svcCtx.TaskModel.FindTasksByCommunity(l.ctx, req.CommunityId)
	if err != nil {
		l.Errorw("get task list failed", logx.Field("err", err), logx.Field("communityId", req.CommunityId))
		return nil, errs.New(errs.ErrDatabaseOperate, err)
	}

	count, err := l.svcCtx.PromoteBindModel.UserInviteCount(l.ctx, uint(uid))
	if err != nil {
		l.Errorw("get user invite count failed", logx.Field("err", err), logx.Field("uid", uid))
	}

	var isAmbassador, hasBindTwitter int

	resp := &types.GetTaskListResp{}
	for _, t := range tasks {
		// 任务序列号
		taskSeq := 0
		if t.Type == model.TASKTYPE_DAILY_PAY {
			taskSeq = cast.ToInt(time.Now().Format("20060102"))
		}
		// 读取任务完成状态
		var finishState int8
		if uid > 0 {
			tp, err := l.svcCtx.TaskProgressModel.FindOneByUidTaskIdTaskSeq(l.ctx, uid, t.Id, taskSeq)
			if err == nil {
				finishState = tp.Stage
			}
		}

		// 计算任务完成数量以及总数
		hasFinishCount := 0
		totalCount := 1

		if finishState >= model.TASK_PROGRESS_WAIT_REWARD {
			// 如果任务状态为待领取奖励， 完成数量等于总数量
			hasFinishCount = totalCount
		} else {
			// 分任务类型处理
			switch t.Type {
			case model.TASKTYPE_INVITE_USER:
				totalCount = cast.ToInt(t.Param)
				hasFinishCount = cast.ToInt(count)
			case model.TASKTYPE_AMBASSADOR_TASK:
				if isAmbassador == 0 {
					if l.svcCtx.IsAmbassador(l.ctx, uint(uid), 0) {
						isAmbassador = 1
					} else {
						isAmbassador = 2
					}
				}
				if isAmbassador == 1 {
					hasFinishCount = 1
				} else {
					hasFinishCount = 0
					finishState = model.TASK_PROGRESS_NOT_ALLOWED
				}
			case model.TASKTYPE_BIND_TWITTER:
				if hasBindTwitter == 0 {
					if l.svcCtx.HasBindTwitter(l.ctx, uint(uid)) {
						hasBindTwitter = 1
					} else {
						hasBindTwitter = 2
					}
				}
				if hasBindTwitter == 1 {
					hasFinishCount = 1
				}
			}
		}

		// 超过数量的显示任务要求的数量即可
		if hasFinishCount > totalCount {
			hasFinishCount = totalCount
		}

		// 数量达标，且状态为未完成，则显示待校验状态
		if hasFinishCount >= totalCount && finishState == model.TASK_PROGRESS_NOT_FINISHED {
			finishState = model.TASK_PROGRESS_WAIT_VERIFY
		}

		resp.Tasks = append(resp.Tasks, types.Task{
			Id:             t.Id,
			Title:          t.Title,
			SubTitle:       t.SubTitle,
			Description:    t.Description,
			Points:         t.Points,
			ButtonText:     t.ButtonText,
			Params:         t.Param,
			Type:           t.Type,
			Url:            t.Url,
			StartAt:        t.StartAt.Time.Format(time.DateTime),
			EndAt:          t.EndAt.Time.Format(time.DateTime),
			Sort:           t.Sort,
			HasFinishCount: hasFinishCount,
			TotalCount:     totalCount,
			FinishState:    finishState,
		})
	}

	return resp, nil
}