package db

import (
	"fmt"
	"os"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	"lst.net/internal/models"
)

var DB *gorm.DB

type DBConfig struct {
	DB  *gorm.DB
	DSN string
}

func InitDB() (*DBConfig, error) {
	dsn := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s",
		os.Getenv("DB_HOST"),
		os.Getenv("DB_PORT"),
		os.Getenv("DB_USER"),
		os.Getenv("DB_PASSWORD"),
		os.Getenv("DB_NAME"))

	var err error

	DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
	if err != nil {
		return nil, fmt.Errorf("failed to connect to database: %v", err)
	}

	fmt.Println("✅ Connected to database")

	// ensures we have the uuid stuff setup properly
	DB.Exec(`CREATE EXTENSION IF NOT EXISTS "uuid-ossp"`)

	err = DB.AutoMigrate(&models.Log{}, &models.Settings{}) // &ClientRecord{}, &Servers{}

	if err != nil {
		return nil, fmt.Errorf("failed to auto-migrate models: %v", err)
	}

	fmt.Println("✅ Database migration completed successfully")

	return &DBConfig{
		DB:  DB,
		DSN: dsn,
	}, nil
}