#!/usr/bin/env php
<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 * SPDX-License-Identifier: GPL-3.0-or-later
 * FILE INFORMATION
 * DEFGROUP: mokocli.CLI
 * INGROUP: mokocli
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/mokocli
 * PATH: /cli/repo_wizard.php
 * BRIEF: Interactive configuration wizard for new repositories
 */

declare(strict_types=1);

require_once __DIR__ . '/../vendor/autoload.php';
require_once __DIR__ . '/../lib/Enterprise/CliFramework.php';

use MokoCli\{CliFramework, Config, PlatformAdapterFactory};

/**
 * Interactive repo setup wizard.
 *
 * Walks through platform selection, generates config files, workflows,
 * and optionally creates the repo on Gitea via API.
 *
 * @see https://git.mokoconsulting.tech/MokoConsulting/mokocli/issues/145
 */
class RepoWizard extends CliFramework
{
    private const PLATFORMS = [
        'joomla'     => 'Joomla extension (component, module, plugin, package)',
        'dolibarr'   => 'Dolibarr ERP module',
        'nodejs'     => 'Node.js / TypeScript project',
        'python'     => 'Python project',
        'mcp-server' => 'MCP server (Model Context Protocol)',
        'generic'    => 'Generic PHP or multi-language project',
    ];

    private const LICENSES = [
        'GPL-3.0-or-later' => 'GNU General Public License v3',
        'MIT'              => 'MIT License',
        'Apache-2.0'       => 'Apache License 2.0',
        'proprietary'      => 'Proprietary / All rights reserved',
    ];

    /** Collected wizard answers. */
    private array $answers = [];

    /** When true, skip all interactive prompts and use defaults. */
    private bool $nonInteractive = false;

    protected function configure(): void
    {
        $this->setDescription('Interactive configuration wizard for new repositories');
        $this->addArgument('--path',            'Directory to generate files in',  '.');
        $this->addArgument('--create-remote',   'Create repo on Gitea via API',    false);
        $this->addArgument('--non-interactive', 'Use defaults (no prompts)',        false);
    }

    protected function run(): int
    {
        $rawPath    = $this->getArgument('--path', '.');
        $targetPath = realpath($rawPath) ?: $rawPath;
        $this->nonInteractive = (bool) $this->getArgument('--non-interactive', false);

        // Validate target path
        if (!is_dir($targetPath) && !@mkdir($targetPath, 0755, true)) {
            $this->log('ERROR', "Target path does not exist and cannot be created: {$targetPath}");
            return self::EXIT_USAGE;
        }
        $targetPath = realpath($targetPath) ?: $targetPath;

        $this->section('MokoCli Repository Wizard');

        // ── Gather info ──────────────────────────────────────────────
        $this->answers['name']        = $this->ask('Repository name', basename($targetPath));
        $this->answers['platform']    = $this->choose('Platform type', self::PLATFORMS, 'generic');
        $this->answers['org']         = $this->ask('Organization', 'MokoConsulting');
        $this->answers['description'] = $this->ask('Description', '');
        $this->answers['license']     = $this->choose('License', self::LICENSES, 'GPL-3.0-or-later');

        // ── Confirm ──────────────────────────────────────────────────
        $this->section('Configuration Summary');
        foreach ($this->answers as $key => $value) {
            $this->log('INFO', sprintf('  %-12s %s', $key . ':', $value));
        }

        if (!$this->confirm('Proceed with these settings?', true)) {
            $this->log('INFO', 'Wizard cancelled');
            return 0;
        }

        // ── Generate files ───────────────────────────────────────────
        $this->section('Generating files');
        $generated = $this->generateFiles($targetPath);

        foreach ($generated as $file) {
            $this->status(true, $file);
        }

        // ── Create remote repo ───────────────────────────────────────
        if ($this->getArgument('--create-remote', false)) {
            $this->section('Creating remote repository');
            $this->createRemoteRepo();
        }

        $this->log('INFO', '');
        $this->log('INFO', 'Generated ' . count($generated) . " files in {$targetPath}");
        $this->log('INFO', 'Next: git init && git add -A && git commit -m "chore: initial scaffold"');

        return 0;
    }

    // ── File generation ──────────────────────────────────────────────

    private function generateFiles(string $path): array
    {
        $platform = $this->answers['platform'];
        $name     = $this->answers['name'];
        $generated = [];

        // .editorconfig
        $generated[] = $this->writeFile($path, '.editorconfig', $this->editorconfig());

        // README.md
        $generated[] = $this->writeFile($path, 'README.md', $this->readme());

        // CHANGELOG.md
        $generated[] = $this->writeFile($path, 'CHANGELOG.md', $this->changelog());

        // LICENSE
        if ($this->answers['license'] !== 'proprietary') {
            $generated[] = $this->writeFile($path, 'LICENSE', "See SPDX: {$this->answers['license']}");
        }

        // Platform-specific configs
        switch ($platform) {
            case 'joomla':
            case 'dolibarr':
            case 'generic':
                $generated[] = $this->writeFile($path, 'phpcs.xml', $this->phpcsXml());
                $generated[] = $this->writeFile($path, 'phpstan.neon', $this->phpstanNeon());
                $generated[] = $this->writeFile($path, 'composer.json', $this->composerJson());
                break;
            case 'nodejs':
            case 'mcp-server':
                $generated[] = $this->writeFile($path, 'package.json', $this->packageJson());
                $generated[] = $this->writeFile($path, 'tsconfig.json', $this->tsconfigJson());
                $generated[] = $this->writeFile($path, '.eslintrc.json', $this->eslintrc());
                break;
            case 'python':
                $generated[] = $this->writeFile($path, 'pyproject.toml', $this->pyprojectToml());
                $generated[] = $this->writeFile($path, 'requirements.txt', '');
                break;
        }

        // .mokogitea/workflows
        $generated[] = $this->writeFile($path, '.mokogitea/workflows/pr-check.yml',
            "# PR check workflow — synced from mokocli templates\n# Run: moko sync to update\n");

        // .gitignore
        $generated[] = $this->writeFile($path, '.gitignore', $this->gitignore($platform));

        // Source directory
        $srcDir = in_array($platform, ['joomla', 'dolibarr', 'generic']) ? 'source' : 'src';
        if (!is_dir("{$path}/{$srcDir}")) {
            @mkdir("{$path}/{$srcDir}", 0755, true);
            $generated[] = "{$srcDir}/";
        }

        return array_filter($generated);
    }

    private function writeFile(string $basePath, string $relativePath, string $content): ?string
    {
        $fullPath = $basePath . '/' . $relativePath;
        $dir = dirname($fullPath);

        if (file_exists($fullPath)) {
            $this->log('DEBUG', "  SKIP  {$relativePath} (already exists)");
            return null;
        }

        if ($this->dryRun) {
            $this->log('INFO', "[dry-run] Would create {$relativePath}");
            return $relativePath;
        }

        if (!is_dir($dir)) {
            @mkdir($dir, 0755, true);
        }

        file_put_contents($fullPath, $content);
        return $relativePath;
    }

    // ── Remote repo creation ─────────────────────────────────────────

    private function createRemoteRepo(): void
    {
        try {
            $config  = Config::load();
            $adapter = PlatformAdapterFactory::create($config);
            $org     = $this->answers['org'];

            if ($this->dryRun) {
                $this->log('INFO', "[dry-run] Would create {$org}/{$this->answers['name']} on Gitea");
                return;
            }

            $result = $adapter->createRepository($org, $this->answers['name'], [
                'description' => $this->answers['description'],
                'private'     => false,
            ]);

            $url = $result['html_url'] ?? "{$org}/{$this->answers['name']}";
            $this->log('INFO', "Created: {$url}");
        } catch (\Exception $e) {
            $this->log('ERROR', "Failed to create remote repo: {$e->getMessage()}");
        }
    }

    // ── Interactive helpers (respect --non-interactive) ─────────────

    private function ask(string $prompt, string $default): string
    {
        if ($this->nonInteractive) {
            return $default;
        }
        return $this->input($prompt, $default);
    }

    private function choose(string $prompt, array $options, string $default): string
    {
        if ($this->nonInteractive) {
            return $default;
        }
        $keys = array_keys($options);
        $labels = [];
        foreach ($options as $key => $desc) {
            $labels[] = "{$key} — {$desc}";
        }
        $chosen = $this->select($prompt, $labels);
        // Extract the key from "key — description"
        $chosenKey = explode(' — ', $chosen, 2)[0] ?? $default;
        return in_array($chosenKey, $keys, true) ? $chosenKey : $default;
    }

    // ── Template content ─────────────────────────────────────────────

    private function editorconfig(): string
    {
        return <<<'CONF'
root = true

[*]
charset = utf-8
end_of_line = lf
indent_size = 4
indent_style = tab
insert_final_newline = true
trim_trailing_whitespace = true

[*.{yml,yaml}]
indent_style = space
indent_size = 2

[*.md]
trim_trailing_whitespace = false
CONF;
    }

    private function readme(): string
    {
        $name = $this->answers['name'];
        $desc = $this->answers['description'] ?: 'A Moko Consulting project.';
        $license = $this->answers['license'];

        return <<<MD
# {$name}

{$desc}

## License

{$license}
MD;
    }

    private function changelog(): string
    {
        return <<<MD
# Changelog

## [Unreleased]

### Added
- Initial project scaffold
MD;
    }

    private function composerJson(): string
    {
        $data = [
            'name'        => 'mokoconsulting/' . strtolower($this->answers['name']),
            'description' => $this->answers['description'] ?: $this->answers['name'],
            'type'        => 'library',
            'license'     => $this->answers['license'],
            'require'     => ['php' => '>=8.1'],
            'autoload'    => ['psr-4' => new \stdClass()],
        ];
        return json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . "\n";
    }

    private function phpcsXml(): string
    {
        return <<<'XML'
<?xml version="1.0"?>
<ruleset name="MokoCli">
    <rule ref="PSR12"/>
    <file>source/</file>
    <exclude-pattern>vendor/*</exclude-pattern>
</ruleset>
XML;
    }

    private function phpstanNeon(): string
    {
        return <<<'NEON'
parameters:
    level: 6
    paths:
        - source/
NEON;
    }

    private function packageJson(): string
    {
        $data = [
            'name'            => '@mokoconsulting/' . strtolower($this->answers['name']),
            'version'         => '0.1.0',
            'description'     => $this->answers['description'] ?: $this->answers['name'],
            'type'            => 'module',
            'scripts'         => ['build' => 'tsc', 'start' => 'node dist/index.js'],
            'devDependencies' => ['typescript' => '^5.0'],
        ];
        return json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . "\n";
    }

    private function tsconfigJson(): string
    {
        return <<<'JSON'
{
    "compilerOptions": {
        "target": "ES2022",
        "module": "NodeNext",
        "moduleResolution": "NodeNext",
        "outDir": "./dist",
        "rootDir": "./src",
        "strict": true,
        "declaration": true
    },
    "include": ["src/**/*"]
}
JSON;
    }

    private function eslintrc(): string
    {
        return <<<'JSON'
{
    "root": true,
    "parser": "@typescript-eslint/parser",
    "plugins": ["@typescript-eslint"],
    "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"]
}
JSON;
    }

    private function pyprojectToml(): string
    {
        $name = strtolower($this->answers['name']);
        $desc = str_replace(['\\', '"'], ['\\\\', '\\"'], $this->answers['description'] ?: $this->answers['name']);

        return <<<TOML
[project]
name = "{$name}"
version = "0.1.0"
description = "{$desc}"
requires-python = ">=3.10"

[build-system]
requires = ["setuptools>=68.0"]
build-backend = "setuptools.build_meta"
TOML;
    }

    private function gitignore(string $platform): string
    {
        $common = <<<'GI'
# IDE
.idea/
.vscode/
*.swp
*.swo

# OS
.DS_Store
Thumbs.db
desktop.ini

# Logs
*.log
GI;

        $extra = match ($platform) {
            'joomla', 'dolibarr', 'generic' => "\n# PHP\nvendor/\n.phpunit.result.cache\n",
            'nodejs', 'mcp-server' => "\n# Node\nnode_modules/\ndist/\n*.tsbuildinfo\n",
            'python' => "\n# Python\n__pycache__/\n*.pyc\n.venv/\n*.egg-info/\n",
            default => '',
        };

        return $common . $extra;
    }
}

$app = new RepoWizard('repo_wizard');
exit($app->execute());