package admin

import (
	"net/http"
	"strconv"
	"strings"

	"bindbox-game/internal/code"
	"bindbox-game/internal/pkg/core"
	"bindbox-game/internal/pkg/validation"
	prizegrantsvc "bindbox-game/internal/service/prize_grant_activity"
)

type savePrizeGrantActivityRequest struct {
	Reason  string                               `json:"reason" binding:"required"`
	Status  string                               `json:"status"`
	Rewards []prizegrantsvc.RewardInput          `json:"rewards" binding:"required"`
}

type listPrizeGrantActivitiesRequest struct {
	Reason   string `form:"reason"`
	Status   string `form:"status"`
	Page     int    `form:"page"`
	PageSize int    `form:"page_size"`
}

type listPrizeGrantRecordsRequest struct {
	Status   string `form:"status"`
	Keyword  string `form:"keyword"`
	Page     int    `form:"page"`
	PageSize int    `form:"page_size"`
}

type markPrizeGrantUsersRequest struct {
	UserIDs []int64 `json:"user_ids" binding:"required"`
}

func (h *handler) CreatePrizeGrantActivity() core.HandlerFunc {
	return func(ctx core.Context) {
		if ctx.SessionUserInfo().IsSuper != 1 {
			ctx.AbortWithError(core.Error(http.StatusForbidden, code.AuthorizationError, "无权限操作"))
			return
		}
		req := new(savePrizeGrantActivityRequest)
		if err := ctx.ShouldBindJSON(req); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
			return
		}
		item, err := h.prizeGrant.CreateActivity(ctx.RequestContext(), prizegrantsvc.SaveActivityRequest{Reason: req.Reason, Status: req.Status, Rewards: req.Rewards})
		if err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.CreateActivityError, err.Error()))
			return
		}
		ctx.Payload(item)
	}
}

func (h *handler) UpdatePrizeGrantActivity() core.HandlerFunc {
	return func(ctx core.Context) {
		if ctx.SessionUserInfo().IsSuper != 1 {
			ctx.AbortWithError(core.Error(http.StatusForbidden, code.AuthorizationError, "无权限操作"))
			return
		}
		id, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || id <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		req := new(savePrizeGrantActivityRequest)
		if err := ctx.ShouldBindJSON(req); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
			return
		}
		if err := h.prizeGrant.UpdateActivity(ctx.RequestContext(), id, prizegrantsvc.SaveActivityRequest{Reason: req.Reason, Status: req.Status, Rewards: req.Rewards}); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ModifyActivityError, err.Error()))
			return
		}
		ctx.Payload(simpleMessageResponse{Message: "操作成功"})
	}
}

func (h *handler) DeletePrizeGrantActivity() core.HandlerFunc {
	return func(ctx core.Context) {
		if ctx.SessionUserInfo().IsSuper != 1 {
			ctx.AbortWithError(core.Error(http.StatusForbidden, code.AuthorizationError, "无权限操作"))
			return
		}
		id, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || id <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		if err := h.prizeGrant.DeleteActivity(ctx.RequestContext(), id); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.DeleteActivityError, err.Error()))
			return
		}
		ctx.Payload(simpleMessageResponse{Message: "删除成功"})
	}
}

func (h *handler) ListPrizeGrantActivities() core.HandlerFunc {
	return func(ctx core.Context) {
		req := new(listPrizeGrantActivitiesRequest)
		if err := ctx.ShouldBindForm(req); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, err.Error()))
			return
		}
		res, err := h.prizeGrant.ListActivities(ctx.RequestContext(), prizegrantsvc.ListActivitiesRequest{Reason: req.Reason, Status: req.Status, Page: req.Page, PageSize: req.PageSize})
		if err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ListActivitiesError, err.Error()))
			return
		}
		ctx.Payload(res)
	}
}

func (h *handler) GetPrizeGrantCostSummary() core.HandlerFunc {
	return func(ctx core.Context) {
		res, err := h.prizeGrant.GetCostSummary(ctx.RequestContext())
		if err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ListActivitiesError, err.Error()))
			return
		}
		ctx.Payload(res)
	}
}

func (h *handler) GetPrizeGrantActivity() core.HandlerFunc {
	return func(ctx core.Context) {
		id, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || id <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		res, err := h.prizeGrant.GetActivity(ctx.RequestContext(), id)
		if err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.GetActivityError, err.Error()))
			return
		}
		ctx.Payload(res)
	}
}

func (h *handler) ListPrizeGrantUserRecords() core.HandlerFunc {
	return func(ctx core.Context) {
		id, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || id <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		req := new(listPrizeGrantRecordsRequest)
		if err := ctx.ShouldBindForm(req); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, err.Error()))
			return
		}
		res, err := h.prizeGrant.ListUserRecords(ctx.RequestContext(), id, strings.TrimSpace(req.Status), strings.TrimSpace(req.Keyword), req.Page, req.PageSize)
		if err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ListActivitiesError, err.Error()))
			return
		}
		ctx.Payload(res)
	}
}

func (h *handler) MarkPrizeGrantUsersProcessed() core.HandlerFunc {
	return func(ctx core.Context) {
		if ctx.SessionUserInfo().IsSuper != 1 {
			ctx.AbortWithError(core.Error(http.StatusForbidden, code.AuthorizationError, "无权限操作"))
			return
		}
		id, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || id <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		req := new(markPrizeGrantUsersRequest)
		if err := ctx.ShouldBindJSON(req); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
			return
		}
		adminID := int64(ctx.SessionUserInfo().Id)
		if err := h.prizeGrant.MarkUsersProcessed(ctx.RequestContext(), id, adminID, req.UserIDs); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ModifyActivityError, err.Error()))
			return
		}
		ctx.Payload(simpleMessageResponse{Message: "操作成功"})
	}
}

func (h *handler) MarkAllPrizeGrantUsersProcessed() core.HandlerFunc {
	return func(ctx core.Context) {
		if ctx.SessionUserInfo().IsSuper != 1 {
			ctx.AbortWithError(core.Error(http.StatusForbidden, code.AuthorizationError, "无权限操作"))
			return
		}
		id, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || id <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		adminID := int64(ctx.SessionUserInfo().Id)
		count, err := h.prizeGrant.MarkAllUsersProcessed(ctx.RequestContext(), id, adminID)
		if err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ModifyActivityError, err.Error()))
			return
		}
		ctx.Payload(map[string]any{"message": "操作成功", "count": count})
	}
}

func (h *handler) DeletePrizeGrantUserRecord() core.HandlerFunc {
	return func(ctx core.Context) {
		if ctx.SessionUserInfo().IsSuper != 1 {
			ctx.AbortWithError(core.Error(http.StatusForbidden, code.AuthorizationError, "无权限操作"))
			return
		}
		activityID, err := strconv.ParseInt(ctx.Param("id"), 10, 64)
		if err != nil || activityID <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "活动ID无效"))
			return
		}
		recordID, err := strconv.ParseInt(ctx.Param("record_id"), 10, 64)
		if err != nil || recordID <= 0 {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "记录ID无效"))
			return
		}
		if err := h.prizeGrant.DeleteUserRecord(ctx.RequestContext(), activityID, recordID); err != nil {
			ctx.AbortWithError(core.Error(http.StatusBadRequest, code.DeleteActivityError, err.Error()))
			return
		}
		ctx.Payload(simpleMessageResponse{Message: "删除成功"})
	}
}