package v1

import (
	"strconv"

	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/internal/dto"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/internal/middleware"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/internal/service"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/pkg/app"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/pkg/errcode"
	"github.com/gin-gonic/gin"
)

// UserHandler 用户管理接口。
type UserHandler struct {
	svc *service.UserService
}

// NewUserHandler 创建用户管理 handler。
func NewUserHandler() *UserHandler {
	return &UserHandler{svc: service.NewUserService()}
}

// List 用户分页列表。
func (h *UserHandler) List(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.UserListRequest
	if err := c.ShouldBindQuery(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	out, e := h.svc.List(c.Request.Context(), &request)
	if e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(out)
}

// Detail 用户详情（含四类额度）。
func (h *UserHandler) Detail(c *gin.Context) {
	response := app.NewResponse(c)
	out, e := h.svc.Detail(c.Request.Context(), c.Param("uuid"))
	if e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(out)
}

// Ban 封禁用户。
func (h *UserHandler) Ban(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.UserBanRequest
	if err := c.ShouldBindJSON(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	adminID, _ := middleware.GetAdminID(c.Request.Context())
	if e := h.svc.Ban(c.Request.Context(), adminID, c.Param("uuid"), &request); e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(nil)
}

// Unban 解封用户。
func (h *UserHandler) Unban(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.UserUnbanRequest
	if err := c.ShouldBindJSON(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	adminID, _ := middleware.GetAdminID(c.Request.Context())
	if e := h.svc.Unban(c.Request.Context(), adminID, c.Param("uuid"), &request); e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(nil)
}

// QuotaAdjust 额度发放（有有效期额度凭证）。
func (h *UserHandler) QuotaAdjust(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.UserQuotaAdjustRequest
	if err := c.ShouldBindJSON(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	adminID, _ := middleware.GetAdminID(c.Request.Context())
	if e := h.svc.QuotaAdjust(c.Request.Context(), adminID, c.Param("uuid"), &request); e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(nil)
}

// VIPAdjust 会员人工调整。
func (h *UserHandler) VIPAdjust(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.UserVIPAdjustRequest
	if err := c.ShouldBindJSON(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	adminID, _ := middleware.GetAdminID(c.Request.Context())
	if e := h.svc.VIPAdjust(c.Request.Context(), adminID, c.Param("uuid"), &request); e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(nil)
}

// GrantRevoke 回收额度凭证。
func (h *UserHandler) GrantRevoke(c *gin.Context) {
	response := app.NewResponse(c)
	grantID, err := strconv.ParseInt(c.Param("id"), 10, 64)
	if err != nil || grantID <= 0 {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails("非法凭证 ID"))
		return
	}
	adminID, _ := middleware.GetAdminID(c.Request.Context())
	if e := h.svc.GrantRevoke(c.Request.Context(), adminID, c.Param("uuid"), grantID); e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(nil)
}