# 从配置文件自动设置 GitHub 仓库
# 用途：读取 .github-config 文件并配置 Git 远程仓库

param(
    [string]$ConfigFile = ".github-config"
)

Write-Host "=== 从配置文件设置 GitHub 仓库 ===" -ForegroundColor Cyan
Write-Host ""

# 检查配置文件是否存在
if (-not (Test-Path $ConfigFile)) {
    Write-Host "错误: 配置文件 $ConfigFile 不存在" -ForegroundColor Red
    Write-Host "请先复制 .github-config.example 为 .github-config 并填写配置" -ForegroundColor Yellow
    exit 1
}

# 读取配置文件
Write-Host "读取配置文件: $ConfigFile" -ForegroundColor Yellow
$config = @{}
Get-Content $ConfigFile | ForEach-Object {
    if ($_ -match '^\s*([^#=]+?)\s*=\s*(.+?)\s*$') {
        $key = $matches[1].Trim()
        $value = $matches[2].Trim()
        $config[$key] = $value
    }
}

# 验证必需配置
$requiredKeys = @('GITHUB_USERNAME', 'GITHUB_TOKEN', 'GITHUB_REPO_NAME', 'GITHUB_REPO_URL')
foreach ($key in $requiredKeys) {
    if (-not $config.ContainsKey($key) -or [string]::IsNullOrWhiteSpace($config[$key])) {
        Write-Host "错误: 配置文件缺少必需的键: $key" -ForegroundColor Red
        exit 1
    }
}

# 显示配置信息（隐藏 token）
Write-Host "配置信息:" -ForegroundColor Cyan
Write-Host "  GitHub 用户名: $($config['GITHUB_USERNAME'])" -ForegroundColor Gray
Write-Host "  GitHub Token: $($config['GITHUB_TOKEN'].Substring(0, [Math]::Min(10, $config['GITHUB_TOKEN'].Length)))..." -ForegroundColor Gray
Write-Host "  仓库名称: $($config['GITHUB_REPO_NAME'])" -ForegroundColor Gray
Write-Host "  仓库 URL: $($config['GITHUB_REPO_URL'])" -ForegroundColor Gray
Write-Host ""

# 检查 Git 是否已初始化
if (-not (Test-Path .git)) {
    Write-Host "初始化 Git 仓库..." -ForegroundColor Yellow
    git init
    Write-Host "✓ Git 仓库已初始化" -ForegroundColor Green
} else {
    Write-Host "✓ Git 仓库已存在" -ForegroundColor Green
}

# 配置 Git 用户信息（如果还没有）
$gitUser = git config user.name 2>$null
$gitEmail = git config user.email 2>$null

if (-not $gitUser) {
    Write-Host ""
    Write-Host "配置 Git 用户信息..." -ForegroundColor Yellow
    $inputUser = Read-Host "请输入 Git 用户名 (或按 Enter 使用 GitHub 用户名: $($config['GITHUB_USERNAME']))"
    if ([string]::IsNullOrWhiteSpace($inputUser)) {
        $inputUser = $config['GITHUB_USERNAME']
    }
    git config user.name $inputUser
    Write-Host "✓ Git 用户名已设置: $inputUser" -ForegroundColor Green
}

if (-not $gitEmail) {
    $inputEmail = Read-Host "请输入 Git 邮箱"
    if (-not [string]::IsNullOrWhiteSpace($inputEmail)) {
        git config user.email $inputEmail
        Write-Host "✓ Git 邮箱已设置: $inputEmail" -ForegroundColor Green
    }
}

# 配置远程仓库
Write-Host ""
Write-Host "配置远程仓库..." -ForegroundColor Yellow

$currentRemote = git remote get-url origin 2>$null
if ($currentRemote) {
    Write-Host "当前远程仓库: $currentRemote" -ForegroundColor Cyan
    if ($currentRemote -ne $config['GITHUB_REPO_URL']) {
        $update = Read-Host "是否更新远程仓库地址? (y/n)"
        if ($update -eq "y" -or $update -eq "Y") {
            git remote set-url origin $config['GITHUB_REPO_URL']
            Write-Host "✓ 远程仓库已更新" -ForegroundColor Green
        }
    } else {
        Write-Host "✓ 远程仓库地址已正确" -ForegroundColor Green
    }
} else {
    git remote add origin $config['GITHUB_REPO_URL']
    Write-Host "✓ 远程仓库已添加" -ForegroundColor Green
}

# 配置 Git 凭据（使用 token）
Write-Host ""
Write-Host "配置 Git 凭据..." -ForegroundColor Yellow

# 设置 Git 凭据助手（Windows）
$credentialHelper = git config credential.helper 2>$null
if (-not $credentialHelper) {
    git config credential.helper manager-core
    Write-Host "✓ Git 凭据助手已配置" -ForegroundColor Green
}

# 提取仓库 URL 的用户名和密码部分
$repoUrl = $config['GITHUB_REPO_URL']
if ($repoUrl -match 'https://(.+?)@') {
    Write-Host "检测到 URL 中已包含凭据" -ForegroundColor Gray
} else {
    # 将 token 添加到 URL 中（用于推送）
    $urlWithToken = $repoUrl -replace 'https://', "https://$($config['GITHUB_USERNAME']):$($config['GITHUB_TOKEN'])@"
    git remote set-url origin $urlWithToken
    Write-Host "✓ Git 凭据已配置到远程 URL" -ForegroundColor Green
}

# 设置默认分支
Write-Host ""
Write-Host "设置默认分支..." -ForegroundColor Yellow
$defaultBranch = $config['GITHUB_DEFAULT_BRANCH']
if (-not $defaultBranch) {
    $defaultBranch = "main"
}

$currentBranch = git branch --show-current 2>$null
if (-not $currentBranch) {
    # 创建初始提交（如果还没有）
    Write-Host "创建初始提交..." -ForegroundColor Yellow
    git add .
    git commit -m "Initial commit: 企业微信 AI 助手" 2>$null
    git branch -M $defaultBranch
    Write-Host "✓ 已创建初始提交并设置分支为 $defaultBranch" -ForegroundColor Green
} else {
    if ($currentBranch -ne $defaultBranch) {
        git branch -M $defaultBranch
        Write-Host "✓ 分支已重命名为 $defaultBranch" -ForegroundColor Green
    }
}

# 显示下一步操作
Write-Host ""
Write-Host "=== 设置完成 ===" -ForegroundColor Green
Write-Host ""
Write-Host "下一步操作:" -ForegroundColor Cyan
Write-Host ""
Write-Host "1. 检查远程仓库配置:" -ForegroundColor Yellow
Write-Host "   git remote -v" -ForegroundColor Gray
Write-Host ""
Write-Host "2. 推送代码到 GitHub:" -ForegroundColor Yellow
Write-Host "   git push -u origin $defaultBranch" -ForegroundColor Gray
Write-Host ""
Write-Host "3. 配置 GitHub Secrets (用于 GitHub Actions):" -ForegroundColor Yellow
Write-Host "   进入仓库: https://github.com/$($config['GITHUB_USERNAME'])/$($config['GITHUB_REPO_NAME'])/settings/secrets/actions" -ForegroundColor Gray
Write-Host "   添加 Secrets: PROD_HOST, PROD_USER, PROD_SSH_KEY, PROD_DOMAIN" -ForegroundColor Gray
Write-Host ""
Write-Host "4. 查看详细文档:" -ForegroundColor Yellow
Write-Host "   docs/github-quickstart.md" -ForegroundColor Gray
Write-Host ""