package app

import (
    "net/http"
    "strconv"

    "bindbox-game/internal/code"
    "bindbox-game/internal/pkg/core"
    "bindbox-game/internal/pkg/validation"
)

type executeDrawResponse struct {
    Receipt interface{} `json:"receipt"`
}

// ExecuteDraw 执行抽奖
// @Summary 执行抽奖
// @Description 用户在指定活动期数中进行一次抽奖，返回可验证的抽奖收据
// @Tags APP端.活动
// @Accept json
// @Produce json
// @Param activity_id path integer true "活动ID"
// @Param issue_id path integer true "期ID"
// @Success 200 {object} executeDrawResponse
// @Failure 400 {object} code.Failure
// @Router /api/app/activities/{activity_id}/issues/{issue_id}/draw [post]
func (h *handler) ExecuteDraw() core.HandlerFunc {
    return func(ctx core.Context) {
        issueIDStr := ctx.Param("issue_id")
        if issueIDStr == "" {
            ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "未传递期ID"))
            return
        }
        if _, err := strconv.ParseInt(issueIDStr, 10, 64); err != nil {
            ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
            return
        }
        issueID, _ := strconv.ParseInt(issueIDStr, 10, 64)
        rec, err := h.activity.ExecuteDraw(ctx.RequestContext(), issueID)
        if err != nil {
            ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ExecuteDrawError, err.Error()))
            return
        }
        ctx.Payload(&executeDrawResponse{Receipt: rec})
    }
}