package models

import (
	"context"
	"fmt"
	"time"

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

var Origins []string = []string{"*"}

type Clients map[string]*Client

type Client struct {
	Ctx       context.Context    `json:"-"`
	Cancel    context.CancelFunc `json:"-"`
	Connected bool               `json:"connected"`
	Conn      *websocket.Conn    `json:"-"`
}

func NewClients() Clients {
	return make(Clients)
}

// Connect a recieving websocket connection
func (cl *Clients) ConnectRecievingWsConnection(id string, c *gin.Context) error {
	if _, exists := (*cl)[id]; exists {
		return nil
	}

	conn, err := websocket.Accept(c.Writer, c.Request, &websocket.AcceptOptions{
		OriginPatterns: Origins,
	})

	if err != nil {
		return fmt.Errorf("error accept websocket client: %s", err)
	}
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Minute)

	(*cl)[id] = &Client{
		Connected: true,
		Ctx:       ctx,
		Cancel:    cancel,
		Conn:      conn,
	}
	return nil
}

func (c *Clients) RemoveClient(id string) {
	delete(*c, id)
}

func (c *Clients) DisconnectWsConnection(id string, code websocket.StatusCode, reason string) {
	(*c)[id].Connected = false
	(*c)[id].Conn.Close(code, reason)
	(*c)[id].Cancel()
}