package handler

import (
	"net/http"
	"strconv"

	"github.com/gin-gonic/gin"
	"myschools.me/heritage/heritage-api/service"
)

// UserCreate 创建用户
func UserCreate(c *gin.Context) {
	var req service.UserCreateRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "参数错误"})
		return
	}

	user, err := service.UserCreate(req)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": err.Error()})
		return
	}

	c.JSON(http.StatusOK, service.UserResponse{User: user})
}

// UserUpdate 更新用户
func UserUpdate(c *gin.Context) {
	userID := c.Param("id")
	if userID == "" {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "用户ID不能为空"})
		return
	}

	var req service.UserUpdateRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "参数错误"})
		return
	}

	user, err := service.UserUpdate(userID, req)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": err.Error()})
		return
	}

	c.JSON(http.StatusOK, service.UserResponse{User: user})
}

// UserDelete 删除用户
func UserDelete(c *gin.Context) {
	userID := c.Param("id")
	if userID == "" {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "用户ID不能为空"})
		return
	}

	success, err := service.UserDelete(userID)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{"data": success})
}

// UserGet 获取用户
func UserGet(c *gin.Context) {
	userID := c.Param("id")
	if userID == "" {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "用户ID不能为空"})
		return
	}

	user, err := service.UserGet(userID)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": err.Error()})
		return
	}

	c.JSON(http.StatusOK, service.UserResponse{User: user})
}

// UserList 获取用户列表
func UserList(c *gin.Context) {
	// 获取分页参数
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	pageSize, _ := strconv.Atoi(c.DefaultQuery("pageSize", "10"))

	// 确保分页参数有效
	if page < 1 {
		page = 1
	}
	if pageSize < 1 || pageSize > 100 {
		pageSize = 10
	}

	users, total, err := service.UserList(page, pageSize)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": err.Error()})
		return
	}

	c.JSON(http.StatusOK, service.UserListResponse{Users: users, Total: total})
}

// UserPasswordUpdate 更新用户密码
func UserPasswordUpdate(c *gin.Context) {
	userID := c.Param("id")
	if userID == "" {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "用户ID不能为空"})
		return
	}

	var req service.UserPasswordUpdateRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": "参数错误"})
		return
	}

	err := service.UserPasswordUpdate(userID, req)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"data": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{"data": "密码更新成功"})
}