package main

import (
	"fmt"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
)

/* GIT OPERATIONS */

func syncGitRepo() error {
	if _, err := os.Stat(gitRepoPath); os.IsNotExist(err) {
		log.Printf("[Git] Cloning repository to %s", gitRepoPath)

		parentDir := filepath.Dir(gitRepoPath)
		if err := os.MkdirAll(parentDir, 0755); err != nil {
			return fmt.Errorf("failed to create parent directory: %w", err)
		}

		cmd := exec.Command("git", "clone", gitRepoURL, gitRepoPath)
		output, err := cmd.CombinedOutput()
		if err != nil {
			return fmt.Errorf("git clone failed: %w, output: %s", err, output)
		}
		log.Println("[Git] Repository cloned successfully")
	} else {
		log.Println("[Git] Repository exists, checking for updates")

		cmd := exec.Command("git", "-C", gitRepoPath, "pull")
		output, err := cmd.CombinedOutput()
		if err != nil {
			return fmt.Errorf("git pull failed: %w, output: %s", err, output)
		}

		outputStr := strings.TrimSpace(string(output))
		if strings.Contains(outputStr, "Already up to date") {
			log.Println("[Git] Repository already up to date")
		} else {
			log.Printf("[Git] Repository updated: %s", outputStr)
		}
	}

	// Настраиваем git config если не настроен
	cmd := exec.Command("git", "-C", gitRepoPath, "config", "user.email", "waf-sync@cirex.ru")
	cmd.CombinedOutput()

	cmd = exec.Command("git", "-C", gitRepoPath, "config", "user.name", "WAF Sync Bot")
	cmd.CombinedOutput()

	return nil
}

func gitCommitAndPush(message string) error {
	cmd := exec.Command("git", "-C", gitRepoPath, "add", whitelistFile)
	if output, err := cmd.CombinedOutput(); err != nil {
		return fmt.Errorf("git add failed: %w, output: %s", err, output)
	}

	cmd = exec.Command("git", "-C", gitRepoPath, "commit", "-m", message)
	output, err := cmd.CombinedOutput()
	if err != nil {
		if strings.Contains(string(output), "nothing to commit") {
			log.Println("[Git] Nothing to commit")
			return nil
		}
		return fmt.Errorf("git commit failed: %w, output: %s", err, output)
	}

	cmd = exec.Command("git", "-C", gitRepoPath, "push")
	if output, err := cmd.CombinedOutput(); err != nil {
		return fmt.Errorf("git push failed: %w, output: %s", err, output)
	}

	return nil
}