package config

import (
	"bufio"
	"fmt"
	"os"
	"path/filepath"
	"strings"
)

// ByomConfig holds the configuration key-value pairs
var ByomConfig map[string]string

// InitByomConfig initializes the configuration by reading from a byom.conf file
func InitByomConfig() error {
	// Initialize the map
	ByomConfig = make(map[string]string)

	// Get absolute path to byom.conf in current directory
	configPath, err := filepath.Abs("./byom.conf")
	if err != nil {
		return fmt.Errorf("error getting config path: %v", err)
	}

	// Open the configuration file
	file, err := os.Open(configPath)
	if err != nil {
		return fmt.Errorf("error opening config file: %v", err)
	}
	defer file.Close()

	// Read the file line by line
	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		line := strings.TrimSpace(scanner.Text())

		// Skip empty lines and comments
		if line == "" || strings.HasPrefix(line, "#") {
			continue
		}

		// Split the line into key and value
		parts := strings.SplitN(line, "=", 2)
		if len(parts) != 2 {
			continue // Skip invalid lines
		}

		key := strings.TrimSpace(parts[0])
		value := strings.TrimSpace(parts[1])

		// Store in the configuration map
		ByomConfig[key] = value
	}

	if err := scanner.Err(); err != nil {
		return fmt.Errorf("error reading config file: %v", err)
	}

	return nil
}

// GetConfig returns the value for a given configuration key
func GetConfig(key string) (string, bool) {
	value, exists := ByomConfig[key]
	return value, exists
}