package model

import (
	"net/http"
	"opencatd-open/store"
	"time"

	"github.com/Sakurasan/to"
	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
)

type User struct {
	ID        int64  `json:"id" gorm:"primaryKey;autoIncrement"`
	Name      string `json:"name" gorm:"unique;index" validate:"max=12"`
	UserName  string `json:"username" gorm:"unique;index" validate:"max=12"`
	Password  string `json:"password" gorm:"not null;" validate:"min=8,max=20"`
	Role      int    `json:"role" gorm:"type:int;default:1"`   // default user
	Status    int    `json:"status" gorm:"type:int;default:0"` // enabled 0, disabled 1 deleted 2
	Nickname  string `json:"nickname" gorm:"type:varchar(50)"`
	AvatarURL string `json:"avatar_url" gorm:"type:varchar(255)"`
	Email     string `json:"email" gorm:"type:varchar(255);unique;index"`
	Quota     int64  `json:"quota" gorm:"bigint;default:-1"` // default unlimited
	Token     string `json:"token,omitempty"`
	Timezone  string `json:"timezone" gorm:"type:varchar(50)"`
	Language  string `json:"language" gorm:"type:varchar(50)"`

	CreatedAt time.Time `json:"created_at,omitempty" gorm:"autoCreateTime"`
	UpdatedAt time.Time `json:"updated_at,omitempty" gorm:"autoUpdateTime"`
}

func HandleUsers(c *gin.Context) {
	users, err := store.GetAllUsers()
	if err != nil {
		c.JSON(http.StatusOK, gin.H{
			"error": err.Error(),
		})
	}

	c.JSON(http.StatusOK, users)
}

func HandleAddUser(c *gin.Context) {
	var body User
	if err := c.BindJSON(&body); err != nil {
		c.JSON(http.StatusOK, gin.H{"error": err.Error()})
		return
	}
	if len(body.Name) == 0 {
		c.JSON(http.StatusOK, gin.H{"error": "invalid user name"})
		return
	}

	if err := store.AddUser(body.Name, uuid.NewString()); err != nil {
		c.JSON(http.StatusOK, gin.H{"error": err.Error()})
		return
	}
	u, err := store.GetUserByName(body.Name)
	if err != nil {
		c.JSON(http.StatusOK, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, u)
}

func HandleDelUser(c *gin.Context) {
	id := to.Int(c.Param("id"))
	if id <= 1 {
		c.JSON(http.StatusOK, gin.H{"error": "invalid user id"})
		return
	}
	if err := store.DeleteUser(uint(id)); err != nil {
		c.JSON(http.StatusOK, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{"message": "ok"})
}

func HandleResetUserToken(c *gin.Context) {
	id := to.Int(c.Param("id"))
	newtoken := c.Query("token")
	if newtoken == "" {
		newtoken = uuid.NewString()
	}

	if err := store.UpdateUser(uint(id), newtoken); err != nil {
		c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
		return
	}
	u, err := store.GetUserByID(uint(id))
	if err != nil {
		c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, u)
}

type Session struct {
	ID           int64     `json:"id" gorm:"primaryKey;autoIncrement"`
	UserID       int64     `json:"user_id" gorm:"index:idx_user_id"`
	Token        string    `json:"token" gorm:"type:varchar(64);uniqueIndex"`
	DeviceType   string    `json:"device_type" gorm:"type:varchar(100);default:''"`
	DeviceName   string    `json:"device_name" gorm:"type:varchar(100);default:''"`
	LastActiveAt time.Time `json:"last_active_at" gorm:"type:timestamp;default:CURRENT_TIMESTAMP"`
	LogoutAt     time.Time `json:"logout_at" gorm:"type:timestamp;null"`
	CreatedAt    time.Time `json:"created_at" gorm:"type:timestamp;not null;default:CURRENT_TIMESTAMP"`
	UpdatedAt    time.Time `json:"updated_at" gorm:"type:timestamp;not null;default:CURRENT_TIMESTAMP;update:CURRENT_TIMESTAMP"`
}

func (Session) TableName() string {
	return "sessions"
}