$ErrorActionPreference = 'Stop'

$projectRoot = Split-Path -Parent $PSScriptRoot
$releaseRoot = [System.IO.Path]::GetFullPath((Join-Path $projectRoot 'release\TaskPilot'))
$expectedPrefix = [System.IO.Path]::GetFullPath((Join-Path $projectRoot 'release')).TrimEnd('\') + '\'
if (-not $releaseRoot.StartsWith($expectedPrefix, [System.StringComparison]::OrdinalIgnoreCase)) {
    throw "Refusing to build outside release directory: $releaseRoot"
}

function Assert-ExitCode {
    param([string]$Step)

    if ($LASTEXITCODE -ne 0) {
        throw "$Step failed with exit code $LASTEXITCODE"
    }
}

Push-Location $projectRoot
try {
    # 前端依赖同级 stash-ui（file:../../stash-ui）：发布包要求先有组件库产物
    $stashUiDist = [System.IO.Path]::GetFullPath((Join-Path $projectRoot '..\stash-ui\dist\stash-ui.js'))
    if (-not (Test-Path -LiteralPath $stashUiDist)) {
        throw "Missing @stash/ui build output: $stashUiDist. Run 'npm --prefix ..\stash-ui install' and 'npm --prefix ..\stash-ui run build' first."
    }

    pnpm --dir frontend build
    Assert-ExitCode 'Frontend build'
    cargo build --release --bin task-pilot-backend --manifest-path backend\Cargo.toml
    Assert-ExitCode 'Rust release build'

    if (Test-Path -LiteralPath $releaseRoot) {
        Remove-Item -LiteralPath $releaseRoot -Recurse -Force
    }
    [void](New-Item -ItemType Directory -Path $releaseRoot -Force)
    [void](New-Item -ItemType Directory -Path (Join-Path $releaseRoot 'web') -Force)
    [void](New-Item -ItemType Directory -Path (Join-Path $releaseRoot 'data') -Force)
    [void](New-Item -ItemType Directory -Path (Join-Path $releaseRoot 'logs') -Force)

    Copy-Item -LiteralPath 'backend\target\release\task-pilot-backend.exe' -Destination $releaseRoot
    Copy-Item -LiteralPath 'scripts\start.ps1' -Destination $releaseRoot
    Copy-Item -Path 'frontend\dist\*' -Destination (Join-Path $releaseRoot 'web') -Recurse
    Copy-Item -LiteralPath 'docs\RELEASE.md' -Destination (Join-Path $releaseRoot 'README.md')

    Write-Host "Release package: $releaseRoot"
}
finally {
    Pop-Location
}