<#
用法：在 PowerShell 中执行本脚本，后台启动 TenantApi 的 dotnet watch（开发用，不需要 docker build）。
前置：已安装并运行 Docker Desktop。
#>

trap {
    Write-Host "发生错误：" $_ -ForegroundColor Red
    Read-Host "按回车关闭窗口"
    exit 1
}

$ErrorActionPreference = 'Stop'

$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path

$containerName = if ($env:CONTAINER_NAME) { $env:CONTAINER_NAME } else { 'takeout.api.tenant' }
$dockerNetwork = if ($env:DOCKER_NETWORK) { $env:DOCKER_NETWORK } else { 'web_apps' }
$hostPort = if ($env:HOST_PORT) { $env:HOST_PORT } else { '7903' }
$containerPort = if ($env:CONTAINER_PORT) { $env:CONTAINER_PORT } else { '7903' }
$sdkImage = if ($env:SDK_IMAGE) { $env:SDK_IMAGE } else { 'mcr.microsoft.com/dotnet/sdk:10.0' }
$nugetVolume = if ($env:NUGET_VOLUME) { $env:NUGET_VOLUME } else { 'takeout-nuget' }
$projectPath = if ($env:PROJECT_PATH) { $env:PROJECT_PATH } else { 'src/Api/TakeoutSaaS.TenantApi/TakeoutSaaS.TenantApi.csproj' }
$environment = if ($env:ASPNETCORE_ENVIRONMENT) { $env:ASPNETCORE_ENVIRONMENT } else { 'Development' }

function Resolve-RepoRoot {
    param(
        [Parameter(Mandatory = $true)]
        [string]$startDir,
        [Parameter(Mandatory = $true)]
        [string]$projectPath
    )

    $normalizedProjectPath = $projectPath -replace '/', [System.IO.Path]::DirectorySeparatorChar
    $current = $startDir

    for ($i = 0; $i -lt 6; $i++) {
        if (Test-Path (Join-Path $current $normalizedProjectPath)) {
            return $current
        }

        if (Test-Path (Join-Path $current 'TakeoutSaaS.sln')) {
            return $current
        }

        $parent = Split-Path -Parent $current
        if ([string]::IsNullOrWhiteSpace($parent) -or $parent -eq $current) {
            break
        }

        $current = $parent
    }

    return $null
}

$repoRoot = Resolve-RepoRoot -startDir $scriptDir -projectPath $projectPath
if (-not $repoRoot) {
    throw "未找到仓库根目录（缺少 $projectPath 或 TakeoutSaaS.sln），请在 TenantApi 仓库中运行该脚本。"
}

Write-Host "工作目录：$repoRoot"
Write-Host "使用 SDK 镜像：$sdkImage"
Write-Host "容器：$containerName 端口：$hostPort`:$containerPort 网络：$dockerNetwork"
Write-Host "项目：$projectPath 环境：$environment"

# 1. (空行后) 确保 network 存在（用于连接同网络内的 postgres/redis 等依赖）
if (-not [string]::IsNullOrWhiteSpace($dockerNetwork)) {
    $networkExists = (docker network ls --format '{{.Name}}') -contains $dockerNetwork
    if (-not $networkExists) {
        Write-Host "Docker network 不存在，正在创建：$dockerNetwork"
        docker network create $dockerNetwork | Out-Null
    }
}

# 2. (空行后) 持久化 NuGet 缓存，加速 restore/build
$volumeExists = (docker volume ls --format '{{.Name}}') -contains $nugetVolume
if (-not $volumeExists) {
    Write-Host "NuGet volume 不存在，正在创建：$nugetVolume"
    docker volume create $nugetVolume | Out-Null
}

# 3. (空行后) 替换旧容器（如存在）
if ((docker ps -a --format '{{.Names}}') -contains $containerName) {
    Write-Host "发现旧容器，正在移除：$containerName"
    docker rm -f $containerName | Out-Null
}

$runArgs = @()
if (-not [string]::IsNullOrWhiteSpace($dockerNetwork)) {
    $runArgs += @('--network', $dockerNetwork)
}

Write-Host "启动 dotnet watch（后台运行）..."
docker run -d --name $containerName @runArgs `
  -p "$hostPort`:$containerPort" `
  -v "$repoRoot`:/src" `
  -w /src `
  -v "$nugetVolume`:/root/.nuget/packages" `
  -e "ASPNETCORE_ENVIRONMENT=$environment" `
  -e "ASPNETCORE_URLS=http://+:$containerPort" `
  -e "DOTNET_USE_POLLING_FILE_WATCHER=1" `
  -e "DOTNET_WATCH_SUPPRESS_LAUNCH_BROWSER=1" `
  $sdkImage `
  dotnet watch --project $projectPath run

Write-Host "已启动。查看日志：docker logs -f $containerName"
Write-Host "Swagger：http://localhost:$hostPort/api/docs （兼容入口 /swagger）"