package controllers

import (
	"encoding/json"
	"io"
	"math/rand"
	"strings"
	"time"

	"server/models"

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

// PlatformUserController 平台端用户相关（简化：当前用户信息落在 yz_system_tenant_user）
type PlatformUserController struct {
	beego.Controller
}

type addUserPayload struct {
	Tid      uint64  `json:"tid"`
	Account  string  `json:"account"`
	Password string  `json:"password"`
	Name     string  `json:"name"`
	Phone    string  `json:"phone"`
	Email    string  `json:"email"`
	Status   *int8   `json:"status"`
	Remark   *string `json:"remark"`
}

// AddUser 添加用户（绑定到租户）
// POST /platform/addUser
func (c *PlatformUserController) AddUser() {
	var p addUserPayload

	// 兼容 JSON body
	raw, _ := io.ReadAll(c.Ctx.Request.Body)
	if err := json.Unmarshal(raw, &p); err != nil {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "参数错误"}
		_ = c.ServeJSON()
		return
	}

	p.Account = strings.TrimSpace(p.Account)
	p.Password = strings.TrimSpace(p.Password)
	p.Name = strings.TrimSpace(p.Name)
	p.Phone = strings.TrimSpace(p.Phone)
	p.Email = strings.TrimSpace(p.Email)

	if p.Tid == 0 {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "tid 不能为空"}
		_ = c.ServeJSON()
		return
	}
	if p.Account == "" {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "account 不能为空"}
		_ = c.ServeJSON()
		return
	}
	if p.Password == "" {
		c.Data["json"] = map[string]interface{}{"code": 400, "msg": "password 不能为空"}
		_ = c.ServeJSON()
		return
	}

	status := int8(1)
	if p.Status != nil {
		status = *p.Status
	}

	// 生成 uid：8位数字即可（10000000~99999999）
	rand.Seed(time.Now().UnixNano())
	var uid uint64
	for i := 0; i < 5; i++ {
		uid = uint64(10000000 + rand.Intn(90000000))
		// 尝试写入（若冲突由唯一索引兜底，外层再重试）
		account := &p.Account
		name := &p.Name
		phone := &p.Phone
		email := &p.Email
		password := &p.Password

		_, err := models.BindTenantUser(p.Tid, uid, account, name, phone, email, password, 0, status, p.Remark)
		if err == nil {
			c.Data["json"] = map[string]interface{}{
				"code": 200,
				"msg":  "success",
				"data": map[string]interface{}{"tid": p.Tid, "uid": uid},
			}
			_ = c.ServeJSON()
			return
		}
		// 轻量重试
		time.Sleep(5 * time.Millisecond)
	}

	c.Data["json"] = map[string]interface{}{"code": 500, "msg": "添加失败，请重试"}
	_ = c.ServeJSON()
}