package main

import (
	"database/sql"
	"fmt"
	"log"
	"os"

	"git.rosemyrtle.work/personal-finance/server/internal/api"
	"git.rosemyrtle.work/personal-finance/server/internal/dal"

	_ "github.com/jackc/pgx/v5/stdlib"
	"github.com/joho/godotenv"
	"github.com/labstack/echo/v4"
	"github.com/labstack/echo/v4/middleware"
	echomiddleware "github.com/oapi-codegen/echo-middleware"
)

func main() {
	if err := godotenv.Load(); err != nil {
		log.Fatal("error loading .env file")
		return
	}

	// 1. Database
	database := fmt.Sprintf("postgres://%s:%s@%s/%s",
		os.Getenv("PG_USER"),
		os.Getenv("PG_PASSWORD"),
		os.Getenv("PG_URL"),
		os.Getenv("PG_DB"))

	db, err := sql.Open("pgx", database)
	if err != nil {
		log.Fatalf("unable to connect to database: %v\n", err)
	}

	if err := db.Ping(); err != nil {
		log.Fatal(err)
	}

	// 2. Data Access Layer
	dal := dal.DalImpl{Db: db}

	// 3. HTTP server
	e := echo.New()
	e.Use(middleware.Logger())

	swagger, err := api.GetSwagger()
	if err != nil {
		log.Fatalf("unable to get API swagger: %v\n", err)
	}
	e.Use(echomiddleware.OapiRequestValidator(swagger))

	handlers := api.ServerImpl{Dal: &dal}
	api.RegisterHandlers(e, &handlers)

	e.Logger.Fatal(e.Start(":9000"))
}