package controllers

import (
	"encoding/json"
	"server/models"
	"server/pkg/jwtutil"
	"strconv"
	"strings"
	"time"

	beego "github.com/beego/beego/v2/server/web"
)

type BackendMenuFrontController struct {
	beego.Controller
}

func (c *BackendMenuFrontController) checkAuth() (uint64, bool) {
	authHeader := c.Ctx.Request.Header.Get("Authorization")
	if authHeader == "" {
		c.Data["json"] = map[string]interface{}{"code": 401, "msg": "未提供认证信息"}
		_ = c.ServeJSON()
		return 0, false
	}
	authParts := strings.SplitN(authHeader, " ", 2)
	if len(authParts) != 2 || authParts[0] != "Bearer" {
		c.Data["json"] = map[string]interface{}{"code": 401, "msg": "认证信息格式错误"}
		_ = c.ServeJSON()
		return 0, false
	}
	claims, err := jwtutil.ParseToken(authParts[1])
	if err != nil {
		c.Data["json"] = map[string]interface{}{"code": 401, "msg": "token无效"}
		_ = c.ServeJSON()
		return 0, false
	}
	return uint64(claims.TenantId), true
}

func (c *BackendMenuFrontController) List() {
	tid, ok := c.checkAuth()
	if !ok {
		return
	}

	var menus []models.BackendMenuFront
	_, err := models.Orm.QueryTable("yz_backend_menu_front").
		Filter("tenant_id", tid).
		Filter("delete_time__isnull", true).
		OrderBy("sort").
		All(&menus)

	if err != nil {
		c.Data["json"] = map[string]interface{}{"code": 500, "msg": "查询失败"}
	} else {
		c.Data["json"] = map[string]interface{}{"code": 200, "msg": "success", "data": menus}
	}
	_ = c.ServeJSON()
}

func (c *BackendMenuFrontController) Create() {
	tid, ok := c.checkAuth()
	if !ok {
		return
	}

	var menu models.BackendMenuFront
	if err := json.Unmarshal(c.Ctx.Input.RequestBody, &menu); err != nil {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "参数错误"}
		_ = c.ServeJSON()
		return
	}

	menu.TenantID = tid
	menu.CreateTime = nil // 由orm自动处理
	_, err := models.Orm.Insert(&menu)
	if err != nil {
		c.Data["json"] = map[string]interface{}{"code": 500, "msg": "创建失败"}
	} else {
		c.Data["json"] = map[string]interface{}{"code": 200, "msg": "创建成功"}
	}
	_ = c.ServeJSON()
}

func (c *BackendMenuFrontController) Update() {
	id, err := strconv.ParseUint(c.Ctx.Input.Param(":id"), 10, 64)
	if err != nil {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "参数错误"}
		_ = c.ServeJSON()
		return
	}

	tid, ok := c.checkAuth()
	if !ok {
		return
	}

	var menu models.BackendMenuFront
	if err := json.Unmarshal(c.Ctx.Input.RequestBody, &menu); err != nil {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "参数错误"}
		_ = c.ServeJSON()
		return
	}

	num, err := models.Orm.QueryTable("yz_backend_menu_front").
		Filter("id", id).
		Filter("tenant_id", tid).
		Update(map[string]interface{}{
			"pid":            menu.Pid,
			"title":          menu.Title,
			"path":           menu.Path,
			"component_path": menu.ComponentPath,
			"icon":           menu.Icon,
			"sort":           menu.Sort,
			"status":         menu.Status,
			"is_visible":     menu.IsVisible,
			"type":           menu.Type,
			"permission":     menu.Permission,
			"update_time":    time.Now(),
		})

	if err != nil || num == 0 {
		c.Data["json"] = map[string]interface{}{"code": 500, "msg": "更新失败"}
	} else {
		c.Data["json"] = map[string]interface{}{"code": 200, "msg": "更新成功"}
	}
	_ = c.ServeJSON()
}

func (c *BackendMenuFrontController) Delete() {
	id, err := strconv.ParseUint(c.Ctx.Input.Param(":id"), 10, 64)
	if err != nil {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "参数错误"}
		_ = c.ServeJSON()
		return
	}

	tid, ok := c.checkAuth()
	if !ok {
		return
	}

	num, err := models.Orm.QueryTable("yz_backend_menu_front").
		Filter("id", id).
		Filter("tenant_id", tid).
		Update(map[string]interface{}{"delete_time": time.Now()})

	if err != nil || num == 0 {
		c.Data["json"] = map[string]interface{}{"code": 500, "msg": "删除失败"}
	} else {
		c.Data["json"] = map[string]interface{}{"code": 200, "msg": "删除成功"}
	}
	_ = c.ServeJSON()
}