/*
 * Copyright (C) 2023 Jonni Liljamo <jonni@liljamo.com>
 *
 * This file is licensed under AGPL-3.0-or-later, see NOTICE and LICENSE for
 * more information.
 */
package api

import (
	"context"
	"log"
	"net/http"
	"tixe/db"
	"tixe/types"

	"github.com/gin-contrib/sessions"
	"github.com/gin-gonic/gin"
	"github.com/oklog/ulid/v2"
)

type postLinksNew struct {
	Visual string `form:"visual"`
	Link   string `form:"link"`
}

func LinkNew(c *gin.Context) {
	data := &postLinksNew{}
	if err := c.Bind(data); err != nil {
		log.Printf("[tixe/api] ERROR: Could not bind new link data: %v", err)
		c.String(http.StatusBadRequest, "Could not bind new link data")
		return;
	}

	session := sessions.Default(c)
	user := session.Get("user").(types.User)

	linkId := ulid.Make().String()

	_, err := db.PgPool.Exec(context.Background(),
		"INSERT INTO links(id, user_id, visual, link) VALUES($1, $2, $3, $4)",
		linkId, user.Id, data.Visual, data.Link)
	if err != nil {
		log.Printf("[tixe/api] ERROR: Could not create new link entry in database: %v", err)
		c.String(http.StatusInternalServerError, "Could not create new link entry in database!")
		return;
	}

	c.Redirect(http.StatusFound, "/")
}

func LinkDelete(c *gin.Context) {
	session := sessions.Default(c)
	user := session.Get("user").(types.User)

	linkId := c.Param("id")

	_, err := db.PgPool.Exec(context.Background(),
		"DELETE FROM links WHERE id = $1 AND user_id = $2", linkId, user.Id)
	if err != nil {
		errStr := "Could not delete link entry from database"
		log.Printf("[tixe/api] ERROR: %s: %v", errStr, err)
		c.String(http.StatusInternalServerError, errStr)
		return;
	}

	c.Redirect(http.StatusFound, "/")
}

type postVisual struct {
	Visual string `form:"visual"`
}

func LinkUpdateVisual(c *gin.Context) {
	data := &postVisual{}
	if err := c.Bind(data); err != nil {
		errStr := "Could not bind link visual update data"
		log.Printf("[tixe/api] ERROR: %s: %v", errStr, err)
		c.String(http.StatusBadRequest, errStr)
		return;
	}

	session := sessions.Default(c)
	user := session.Get("user").(types.User)

	linkId := c.Param("id")

	_, err := db.PgPool.Exec(context.Background(),
		"UPDATE links SET visual = $1 WHERE id = $2 AND user_id = $3", data.Visual, linkId, user.Id)
	if err != nil {
		errStr := "Could not update link visual in database"
		log.Printf("[tixe/api] ERROR: %s: %v", errStr, err)
		c.String(http.StatusInternalServerError, errStr)
		return;
	}

	c.Redirect(http.StatusFound, "/link/" + linkId)
}

type postLink struct {
	Link string `form:"link"`
}

func LinkUpdateLink(c *gin.Context) {
	data := &postLink{}
	if err := c.Bind(data); err != nil {
		errStr := "Could not bind link 'link' update data"
		log.Printf("[tixe/api] ERROR: %s: %v", errStr, err)
		c.String(http.StatusBadRequest, errStr)
		return;
	}

	session := sessions.Default(c)
	user := session.Get("user").(types.User)

	linkId := c.Param("id")

	_, err := db.PgPool.Exec(context.Background(),
		"UPDATE links SET link = $1 WHERE id = $2 AND user_id = $3", data.Link, linkId, user.Id)
	if err != nil {
		errStr := "Could not update link 'link' in database"
		log.Printf("[tixe/api] ERROR: %s: %v", errStr, err)
		c.String(http.StatusInternalServerError, errStr)
		return;
	}

	c.Redirect(http.StatusFound, "/link/" + linkId)
}