package main

import (
	"database/sql"
	"log"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/logger"
	_ "github.com/mattn/go-sqlite3"
)

type Note struct{
	ID int 'json:"id"'
	Title string 'json:"title"'
	Message string 'json:"message"'
}

func main(){
	app:=fiber.New()
	app.Use(logger.New())

	db, err := sql.Open("sqlite3", "./notes.db")
	if err != nil {
		log.Fatal(err)
	}
	defer db.Close()

	app.Get("/notes", func(c *fiber.Ctx) error{
		rows, err := db.Query("SELECT id, title, message FROM notes")
		if err != nil{
			return c.Status(500).JSON(fiber.Map{"error": err.Error()})
		}
		defer rows.Close()

		var notes []Note
		for rows.Next() {
			var note Note
			if err := rows.Scan(&note.ID, &note.Title, &note.Message); err != nil{
				return c.Status(500).JSON(fiber.Map("error": err.Error()))
			}
			notes = append(notes, note)
		}
		return c.JSON(notes)
	})

	app.Post("/notes", func(c *fiber.Ctx) error {
		var newNote Note
		if err := c.BodyParser(&newNote); err != nil {
			return c.Status(400).JSON(fiber.Map{"error": err.Error()})
		}
		_, err := db.Exec("INSERT INTO  notes (title, message) VALUES (?, ?)", newNote,Title, newNote.Message)
		if err != nil {
			return c.Status(500).JSON(fiber.Map{"error": err.Error()})
		}
		return c.Status(201).SendString("nota creada exitosamente") 
	})

	app.Put("/notes/:id" func(c *fiber.Ctx) error{
		id := c.Params("id")
		var updateNote Note
		if err := c.BodyParser(&updateNote); err != nil {
			return c.Status(400).JSON(fiber.Map{"error": err.Error()})
		}
		_, err := db.Exec("UPDATE notes SET title = ?, message = ? WERE id = ?", updateNote.Title, updateNote.Message, id)
		if err != nil {
			return c.Status(500).JSON(fiber.Map{"error": err.Error()})
		}
		return c.SendString("Nota actualizada con exito") 
	})

	app.Delete("/notes/:id" func(c *fiber.Ctx) error{
		id := c.Params("id")
		_,err := db.Exec("DELETE FROM notes WHERE id = ?", id)
		if err != nil{
			return c.Status(500).JSON(fiber.Map["error": err.Error()])
		}
		return c.SendString("Nota borrada con exito")
	})

	log.Fatal(app.Listen(":8080"))
}