# ============================================
# Git 批量管理脚本 - PowerShell 版本
# 适用于 Windows PowerShell 和 PowerShell Core
# ============================================

# -------------------- 配置区 --------------------
# 父目录路径（支持相对路径和绝对路径）
# 示例:
#   ".."               -> 上级目录
#   "."                -> 当前目录
#   ".\projects"       -> 当前目录下的 projects 文件夹
#   "..\projects"      -> 上级目录下的 projects 文件夹
#   "C:\projects"      -> 绝对路径
#   "$env:USERPROFILE\projects"  -> 用户主目录下的 projects
$ParentDir = ".."

# Git 远程仓库用户名
$GitUsername = "e2hang"

# Git 远程仓库基础 URL
$GitBaseUrl = "https://huajishe.fun/git"

# 默认分支名
$DefaultBranch = "main"

# -------------------- 脚本主体 --------------------

# 将相对路径转换为绝对路径
$ParentDir = Resolve-Path -Path $ParentDir -ErrorAction SilentlyContinue

# 检查父目录是否存在
if (-not $ParentDir -or -not (Test-Path -Path $ParentDir -PathType Container)) {
    Write-Host "错误: 父目录不存在或无法访问" -ForegroundColor Red
    exit 1
}

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "开始处理目录: $ParentDir" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# 统计变量
$total = 0
$success = 0
$skipped = 0
$failed = 0

# 获取所有一级子文件夹
$projects = Get-ChildItem -Path $ParentDir -Directory

foreach ($project in $projects) {
    $total++
    $projectPath = $project.FullName
    $projectName = $project.Name
    
    Write-Host "[$total] 处理项目: $projectName" -ForegroundColor Cyan
    
    # 进入项目目录
    try {
        Push-Location -Path $projectPath -ErrorAction Stop
    }
    catch {
        Write-Host "  ✗ 无法进入目录" -ForegroundColor Red
        $failed++
        continue
    }
    
    # 检查是否为 Git 仓库
    if (-not (Test-Path -Path ".git" -PathType Container)) {
        Write-Host "  → 初始化 Git 仓库..." -ForegroundColor Yellow
        
        # 初始化 Git 仓库
        try {
            git init -b $DefaultBranch 2>&1 | Out-Null
        }
        catch {
            # 兼容旧版本 Git
            git init 2>&1 | Out-Null
            git checkout -b $DefaultBranch 2>&1 | Out-Null
        }
        
        # 设置远程仓库
        $remoteUrl = "$GitBaseUrl/$GitUsername/$projectName.git"
        git remote add origin $remoteUrl 2>&1 | Out-Null
        Write-Host "  ✓ 已初始化并设置远程仓库: $remoteUrl" -ForegroundColor Green
    }
    
    # 检查是否有改动
    $diffResult = git diff --quiet 2>&1
    $diffCachedResult = git diff --cached --quiet 2>&1
    $untrackedFiles = git ls-files --others --exclude-standard 2>&1
    
    if ($LASTEXITCODE -eq 0 -and $diffCachedResult -eq $null -and [string]::IsNullOrWhiteSpace($untrackedFiles)) {
        Write-Host "  ○ 无改动,跳过" -ForegroundColor Yellow
        $skipped++
        Pop-Location
        Write-Host ""
        continue
    }
    
    # 添加所有文件
    Write-Host "  → 添加文件..." -ForegroundColor Yellow
    git add . 2>&1 | Out-Null
    
    # 再次检查是否有需要提交的内容
    git diff --cached --quiet 2>&1
    if ($LASTEXITCODE -eq 0) {
        Write-Host "  ○ 无需提交的改动,跳过" -ForegroundColor Yellow
        $skipped++
        Pop-Location
        Write-Host ""
        continue
    }
    
    # 生成提交信息
    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    $commitMsg = "Auto commit at $timestamp"
    
    # 提交
    Write-Host "  → 提交更改..." -ForegroundColor Yellow
    $commitResult = git commit -m $commitMsg 2>&1
    
    if ($LASTEXITCODE -eq 0) {
        Write-Host "  ✓ 提交成功" -ForegroundColor Green
        
        # 推送到远程仓库
        Write-Host "  → 推送到远程仓库..." -ForegroundColor Yellow
        
        # 尝试推送
        $pushResult = git push -u origin $DefaultBranch 2>&1
        
        if ($LASTEXITCODE -eq 0 -or $pushResult -match "Everything up-to-date|Successfully") {
            Write-Host "  ✓ 推送成功" -ForegroundColor Green
            $success++
        }
        else {
            # 尝试普通推送
            $pushResult = git push 2>&1
            if ($LASTEXITCODE -eq 0 -or $pushResult -match "Everything up-to-date|Successfully") {
                Write-Host "  ✓ 推送成功" -ForegroundColor Green
                $success++
            }
            else {
                Write-Host "  ✗ 推送失败（可能需要先 pull 或检查远程仓库）" -ForegroundColor Red
                $failed++
            }
        }
    }
    else {
        Write-Host "  ✗ 提交失败" -ForegroundColor Red
        $failed++
    }
    
    # 返回上级目录
    Pop-Location
    Write-Host ""
}

# 输出统计信息
Write-Host "========================================" -ForegroundColor Cyan
Write-Host "处理完成！" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host "总计: $total 个项目"
Write-Host "成功: $success" -ForegroundColor Green
Write-Host "跳过: $skipped" -ForegroundColor Yellow
Write-Host "失败: $failed" -ForegroundColor Red
Write-Host ""