package http

import (
	"context"
	_ "donat-widget/api/http"
	"donat-widget/infrastructure/pg"
	widgetHandler "donat-widget/internal/api/http/handlers/widget"
	"donat-widget/internal/config"
	"donat-widget/pkg/validator"
	"github.com/labstack/echo/v4"
	"github.com/swaggo/echo-swagger"
	"log/slog"
	"os"
)

import (
	widgetService "donat-widget/internal/service/widget"
)

type App struct {
	Config *config.Config
}

func NewApp() *echo.Echo {
	app := &App{}
	cfg := app.InitConfig()
	pool := app.initDB(cfg)
	log := app.InitLogger()

	server := InitHTTPServer()
	InitHandlers(server, pool, log)

	return server
}

func Run(server *echo.Echo) {
	server.Logger.Fatal(server.Start(":8002"))
}

func InitHTTPServer() *echo.Echo {
	server := echo.New()
	server.Validator = validator.NewValidator()
	return server
}

func (a *App) InitConfig() *config.Config {
	cfg := config.Init()
	return cfg
}

func (a *App) initDB(cfg *config.Config) *pg.Postgres {
	pool := pg.NewPgPool(
		context.Background(),
		cfg.Database.Username,
		cfg.Database.Password,
		cfg.Database.Host,
		cfg.Database.Port,
		cfg.Database.DBName,
	)
	return pool
}

func InitHandlers(server *echo.Echo, pool *pg.Postgres, log *slog.Logger) {
	PREFIX := "/api/widget"
	server.GET("/api/docs/*", echoSwagger.WrapHandler)
	widgetSvc := widgetService.New(pool)
	server.GET(PREFIX+"/create", widgetHandler.Create(widgetSvc, log))
}

func (a *App) InitLogger() *slog.Logger {
	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
	return logger
}