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

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: moko-platform.CLI
 * INGROUP: moko-platform
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /cli/release_body_update.php
 * BRIEF: Update Gitea release body with changelog extract and checksums
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class ReleaseBodyUpdateCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Update Gitea release body with changelog extract and checksums');
        $this->addArgument('--path', 'Repo root for CHANGELOG.md', '.');
        $this->addArgument('--version', 'Version string', '');
        $this->addArgument('--release-tag', 'Gitea release tag', '');
        $this->addArgument('--token', 'Gitea API token', '');
        $this->addArgument('--api-base', 'Gitea API base URL', '');
        $this->addArgument('--zip-name', 'ZIP filename for checksum table', '');
        $this->addArgument('--tar-name', 'tar.gz filename for checksum table', '');
        $this->addArgument('--zip-sha', 'SHA256 of ZIP', '');
        $this->addArgument('--tar-sha', 'SHA256 of tar.gz', '');
        $this->addArgument('--output-summary', 'Write to $GITHUB_STEP_SUMMARY', false);
    }

    protected function run(): int
    {
        $path          = $this->getArgument('--path');
        $version       = $this->getArgument('--version');
        $releaseTag    = $this->getArgument('--release-tag');
        $token         = $this->getArgument('--token');
        $apiBase       = $this->getArgument('--api-base');
        $zipName       = $this->getArgument('--zip-name');
        $tarName       = $this->getArgument('--tar-name');
        $zipSha        = $this->getArgument('--zip-sha');
        $tarSha        = $this->getArgument('--tar-sha');
        $outputSummary = $this->getArgument('--output-summary');

        if (empty($token)) {
            $token = getenv('MOKOGITEA_TOKEN') ?: getenv('GITEA_TOKEN') ?: '';
        }

        if (empty($version) || empty($releaseTag) || empty($token) || empty($apiBase)) {
            $this->log('ERROR', 'Usage: release_body_update.php --version VER --release-tag TAG --token TOKEN --api-base URL');
            return 1;
        }

        $root = realpath($path) ?: $path;

        // Extract changelog section for this version
        $changelog = '';
        $clFile = "{$root}/CHANGELOG.md";
        if (file_exists($clFile)) {
            $lines = file($clFile, FILE_IGNORE_NEW_LINES);
            $capturing = false;
            $clLines = [];
            foreach ($lines as $line) {
                if (preg_match('/^##\s.*' . preg_quote($version, '/') . '/', $line)) {
                    $capturing = true;
                    continue;
                }
                if ($capturing && preg_match('/^## /', $line)) {
                    break;
                }
                if ($capturing) {
                    $clLines[] = $line;
                }
            }
            $changelog = trim(implode("\n", $clLines));
        }

        // Build release body
        $body = "## {$version} (" . date('Y-m-d') . ")\n\n";
        if (!empty($changelog)) {
            $body .= "{$changelog}\n\n";
        }

        if (!empty($zipSha) || !empty($tarSha)) {
            $body .= "---\n\n### Checksums\n\n| File | SHA-256 |\n|------|--------|\n";
            if (!empty($zipName) && !empty($zipSha)) {
                $body .= "| `{$zipName}` | `{$zipSha}` |\n";
            }
            if (!empty($tarName) && !empty($tarSha)) {
                $body .= "| `{$tarName}` | `{$tarSha}` |\n";
            }
        }

        // Get release ID by tag
        $ch = curl_init("{$apiBase}/releases/tags/{$releaseTag}");
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => ["Authorization: token {$token}"],
            CURLOPT_TIMEOUT => 30,
        ]);
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpCode !== 200 || empty($response)) {
            $this->log('ERROR', "Failed to get release for tag '{$releaseTag}' (HTTP {$httpCode})");
            return 1;
        }

        $release = json_decode($response, true);
        $releaseId = $release['id'] ?? null;

        if ($releaseId === null) {
            $this->log('ERROR', "No release ID found for tag '{$releaseTag}'");
            return 1;
        }

        // PATCH release body
        $payload = json_encode(['body' => $body]);
        $ch = curl_init("{$apiBase}/releases/{$releaseId}");
        curl_setopt_array($ch, [
            CURLOPT_CUSTOMREQUEST => 'PATCH',
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => ["Authorization: token {$token}", "Content-Type: application/json"],
            CURLOPT_POSTFIELDS => $payload,
            CURLOPT_TIMEOUT => 30,
        ]);
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpCode !== 200) {
            $this->log('ERROR', "Failed to update release body (HTTP {$httpCode})");
            return 1;
        }

        echo "Release body updated for {$releaseTag} (release #{$releaseId})\n";

        if ($outputSummary) {
            $summaryFile = getenv('GITHUB_STEP_SUMMARY');
            if ($summaryFile) {
                file_put_contents($summaryFile, "Release body updated with changelog + checksums\n", FILE_APPEND);
            }
        }

        return 0;
    }
}

$app = new ReleaseBodyUpdateCli();
exit($app->execute());