package handler

import (
	"strconv"

	"affiliate_dash/internal/middleware"
	"affiliate_dash/internal/pkg/response"
	"affiliate_dash/internal/service"

	"github.com/gin-gonic/gin"
)

type UserHandler struct {
	svc *service.UserService
}

func NewUserHandler(svc *service.UserService) *UserHandler {
	return &UserHandler{svc: svc}
}

func (h *UserHandler) ListPlatformAdmins(c *gin.Context) {
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
	list, total, err := h.svc.ListPlatformAdmins(page, size)
	if err != nil {
		response.ServerError(c, err.Error())
		return
	}
	response.Page(c, list, total, page, size)
}

func (h *UserHandler) ListMerchantAccountGroups(c *gin.Context) {
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
	list, total, err := h.svc.ListMerchantAccountGroups(page, size)
	if err != nil {
		response.ServerError(c, err.Error())
		return
	}
	response.Page(c, list, total, page, size)
}

type createPlatformAdminReq struct {
	Username string `json:"username" binding:"required"`
	Password string `json:"password" binding:"required,min=6"`
	Nickname string `json:"nickname"`
}

func (h *UserHandler) CreatePlatformAdmin(c *gin.Context) {
	var req createPlatformAdminReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.BadRequest(c, "参数错误")
		return
	}
	user, err := h.svc.CreatePlatformAdmin(req.Username, req.Password, req.Nickname)
	if err != nil {
		response.BadRequest(c, err.Error())
		return
	}
	response.OK(c, user)
}

type updatePlatformAdminReq struct {
	Username string `json:"username" binding:"required"`
	Nickname string `json:"nickname"`
	Password string `json:"password" binding:"omitempty,min=6"`
	Status   int    `json:"status"`
}

func (h *UserHandler) UpdatePlatformAdmin(c *gin.Context) {
	id, _ := strconv.ParseUint(c.Param("id"), 10, 64)
	var req updatePlatformAdminReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.BadRequest(c, "参数错误")
		return
	}
	user, err := h.svc.UpdatePlatformAdmin(uint(id), service.UpdatePlatformAdminInput{
		Username: req.Username,
		Nickname: req.Nickname,
		Password: req.Password,
		Status:   req.Status,
	}, middleware.GetUserID(c))
	if err != nil {
		response.BadRequest(c, err.Error())
		return
	}
	response.OK(c, user)
}

func (h *UserHandler) DeletePlatformAdmin(c *gin.Context) {
	id, _ := strconv.ParseUint(c.Param("id"), 10, 64)
	if err := h.svc.DeletePlatformAdmin(uint(id), middleware.GetUserID(c)); err != nil {
		response.BadRequest(c, err.Error())
		return
	}
	response.OK(c, nil)
}