# visionA-local — Windows 10/11 x86_64 一鍵 build
#
# 使用方式（PowerShell 以「系統管理員」開啟）：
#   git clone https://github.com/jim800121/visionA.git
#   cd visionA\local-tool
#   powershell -ExecutionPolicy Bypass -File scripts\bootstrap-windows.ps1
#
# 環境變數：
#   $env:VISIONA_TARGET   預設 exe，可設 wails-windows / payload-windows

$ErrorActionPreference = 'Stop'

$Target = if ($env:VISIONA_TARGET) { $env:VISIONA_TARGET } else { 'exe' }

function Log($msg)  { Write-Host "==> $msg" -ForegroundColor Cyan }
function Fail($msg) { Write-Host "!!! $msg" -ForegroundColor Red; exit 1 }

# 必須以系統管理員身份執行（winget 需要）
$isAdmin = ([Security.Principal.WindowsPrincipal] `
    [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole(
    [Security.Principal.WindowsBuiltInRole] 'Administrator')
if (-not $isAdmin) { Fail '請以系統管理員身份執行 PowerShell 再跑此腳本' }

if (-not (Test-Path 'Makefile') -or -not (Test-Path 'visiona-local')) {
    Fail '請先 cd 到 local-tool\ 目錄再執行此腳本'
}

if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
    Fail 'winget 未安裝。請先從 Microsoft Store 安裝「App Installer」'
}

function Ensure-Winget($id) {
    $installed = winget list --id $id -e 2>$null | Select-String $id
    if (-not $installed) {
        Log "安裝 $id"
        winget install -e --id $id --accept-source-agreements --accept-package-agreements
    } else {
        Log "$id 已安裝，跳過"
    }
}

Log '[1/4] 安裝系統套件'
Ensure-Winget 'Git.Git'
Ensure-Winget 'GoLang.Go'
Ensure-Winget 'OpenJS.NodeJS.LTS'
Ensure-Winget 'Python.Python.3.12'
Ensure-Winget 'JRSoftware.InnoSetup'
Ensure-Winget 'MSYS2.MSYS2'

# 重新載入 PATH（winget 裝完目前 session 拿不到）
$env:Path = [System.Environment]::GetEnvironmentVariable('Path','Machine') + ';' + `
            [System.Environment]::GetEnvironmentVariable('Path','User')
$env:Path += ";$HOME\go\bin;C:\msys64\usr\bin;C:\msys64\mingw64\bin"

Log '[2/4] 安裝 pnpm'
if (-not (Get-Command pnpm -ErrorAction SilentlyContinue)) {
    npm i -g pnpm
}

Log '[3/4] 安裝 Wails CLI + 確認 MSYS2 make'
if (-not (Get-Command wails -ErrorAction SilentlyContinue)) {
    go install github.com/wailsapp/wails/v2/cmd/wails@latest
}
wails doctor
if (-not (Test-Path 'C:\msys64\usr\bin\make.exe')) {
    Log '安裝 MSYS2 make'
    & 'C:\msys64\usr\bin\bash.exe' -lc 'pacman -Sy --noconfirm make'
}

Log "[4/4] 開始 build（target=$Target）"
Log '⚠️  ffmpeg 使用 GPL build，需設定 VISIONA_ALLOW_GPL_FFMPEG=1'

# 讓 MSYS2 bash 繼承 Windows PATH（才找得到 go / pnpm / python / wails）
$env:MSYS2_PATH_TYPE = 'inherit'
$env:CHERE_INVOKING = '1'

# 找真實的 Python（避開 Microsoft Store 的 WindowsApps stub）
$realPython = $null
$pyCandidates = @(
    "$env:LOCALAPPDATA\Programs\Python\Python312\python.exe",
    "$env:LOCALAPPDATA\Programs\Python\Python313\python.exe",
    "$env:ProgramFiles\Python312\python.exe",
    "$env:ProgramFiles\Python313\python.exe"
)
foreach ($p in $pyCandidates) {
    if (Test-Path $p) { $realPython = $p; break }
}
if (-not $realPython) {
    # 試 py launcher
    $pyLauncher = Get-Command py -ErrorAction SilentlyContinue
    if ($pyLauncher) { $realPython = 'py -3' }
}
if (-not $realPython) {
    Fail '找不到真實 Python（winget 可能沒裝成功，或 PATH 沒更新）。請重開 PowerShell 再試一次'
}
Log "偵測到 Python: $realPython"

# 把 Windows 路徑轉成 MSYS2 bash 能吃的格式
function Convert-ToMsysPath($winPath) {
    if ($winPath -match '^[A-Za-z]:\\') {
        return '/' + $winPath.Substring(0,1).ToLower() + '/' + ($winPath.Substring(3) -replace '\\','/')
    }
    return $winPath
}
$msysPython = Convert-ToMsysPath $realPython

# 找 Inno Setup Compiler (ISCC.exe)
# 重要：檔名是 ISCC.exe（大寫），winget 裝在 Program Files (x86) 不在 PATH 裡
function Find-Iscc {
    # 1. 固定路徑（system + user scope）
    $candidates = @(
        "${env:ProgramFiles(x86)}\Inno Setup 6\ISCC.exe",
        "$env:ProgramFiles\Inno Setup 6\ISCC.exe",
        "$env:LOCALAPPDATA\Programs\Inno Setup 6\ISCC.exe",
        "$env:USERPROFILE\AppData\Local\Programs\Inno Setup 6\ISCC.exe",
        "${env:ProgramFiles(x86)}\Inno Setup 5\ISCC.exe"
    )
    foreach ($p in $candidates) {
        if ($p -and (Test-Path $p)) { return $p }
    }
    # 2. 登錄檔 Uninstall key（HKLM + HKCU 都看）
    $regPaths = @(
        'HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Inno Setup 6_is1',
        'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Inno Setup 6_is1',
        'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Inno Setup 6_is1'
    )
    foreach ($rp in $regPaths) {
        $item = Get-ItemProperty $rp -ErrorAction SilentlyContinue
        if ($item) {
            if ($item.InstallLocation) {
                $p = Join-Path $item.InstallLocation 'ISCC.exe'
                if (Test-Path $p) { return $p }
            }
            if ($item.'Inno Setup: App Path') {
                $p = Join-Path $item.'Inno Setup: App Path' 'ISCC.exe'
                if (Test-Path $p) { return $p }
            }
        }
    }
    # 3. 遞迴掃 Program Files + user AppData
    $scanRoots = @(
        "${env:ProgramFiles(x86)}",
        "$env:ProgramFiles",
        "$env:LOCALAPPDATA\Programs"
    ) | Where-Object { $_ -and (Test-Path $_) }
    foreach ($root in $scanRoots) {
        $found = Get-ChildItem -Path $root -Filter 'ISCC.exe' -Recurse `
                               -ErrorAction SilentlyContinue -Force |
                 Select-Object -First 1
        if ($found) { return $found.FullName }
    }
    return $null
}

$isccPath = Find-Iscc
if (-not $isccPath) {
    Log 'Inno Setup 偵測不到，用 winget 重裝一次'
    winget install -e --id JRSoftware.InnoSetup --accept-source-agreements --accept-package-agreements --force
    $isccPath = Find-Iscc
}
if ($isccPath) {
    Log "偵測到 Inno Setup: $isccPath"
    $msysIsccDir = Convert-ToMsysPath (Split-Path $isccPath -Parent)
    $msysIsccExe = Convert-ToMsysPath $isccPath
} else {
    Log 'WARN: 仍然找不到 Inno Setup（iscc.exe），make exe 步驟會失敗'
    $msysIsccDir = $null
    $msysIsccExe = $null
}

# Makefile 需要 bash + make，透過 MSYS2 bash 執行
# 將 Windows 路徑 C:\foo\bar 轉成 MSYS2 路徑 /c/foo/bar
$projectPath = (Get-Location).Path
$msysPath = '/' + $projectPath.Substring(0,1).ToLower() + '/' + `
            ($projectPath.Substring(3) -replace '\\','/')

$bashParts = @(
    "cd '$msysPath'",
    'export VISIONA_ALLOW_GPL_FFMPEG=1',
    "export VISIONA_PYTHON='$msysPython'"
)
if ($msysIsccDir) {
    $bashParts += "export PATH=`"$msysIsccDir`":`$PATH"
}
if ($msysIsccExe) {
    $bashParts += "export ISCC=`"$msysIsccExe`""
}
# 偵測前置產物是否已齊全 —— 齊全就走 fast path（只重跑 iscc），省 wails rebuild 幾分鐘
$fastPath = (Test-Path 'visiona-local\build\bin\visiona-local.exe') -and `
            (Test-Path 'payload\windows\bin\visiona-local-server.exe') -and `
            (Test-Path 'payload\windows\bin\ffmpeg.exe') -and `
            (Test-Path 'payload\windows\python\python.tar.gz')

if ($fastPath -and ($Target -eq 'exe' -or -not $env:VISIONA_TARGET)) {
    Log 'FAST PATH：前置產物齊全，跳過 vendor/payload/wails，只重跑 iscc 打包'
    $bashParts += 'make exe-only'
} else {
    $bashParts += 'make vendor-python-windows vendor-wheels-windows vendor-ffmpeg-windows vendor-ytdlp-windows'
    $bashParts += 'make payload-windows'
    switch ($Target) {
        'payload-windows' { }
        'wails-windows'   { $bashParts += 'make wails-windows' }
        default           { $bashParts += 'make wails-windows'; $bashParts += 'make exe' }
    }
}

# 把 bash 指令寫成 script 檔再執行，避開 PS → bash 多層 quoting 地獄
# （尤其是含空格的路徑如 "C:\Program Files (x86)\Inno Setup 6\"）
$bashScriptLines = @('#!/usr/bin/env bash', 'set -e', '')
foreach ($line in $bashParts) {
    $bashScriptLines += $line
}
$bashScriptContent = ($bashScriptLines -join "`n") + "`n"
$tmpScript = Join-Path (Get-Location) '.visiona-build.sh'
# 用 UTF8 無 BOM + LF 換行，bash 才吃得下
[System.IO.File]::WriteAllText($tmpScript, $bashScriptContent, (New-Object System.Text.UTF8Encoding $false))

Log "bash 執行腳本內容："
Get-Content $tmpScript | ForEach-Object { Write-Host "    $_" }

$msysScript = Convert-ToMsysPath $tmpScript
& 'C:\msys64\usr\bin\bash.exe' -l $msysScript
$buildRc = $LASTEXITCODE
Remove-Item $tmpScript -ErrorAction SilentlyContinue
if ($buildRc -ne 0) { Fail "build 失敗，exit code=$buildRc" }

# 驗證 dist 真的有 .exe 產出（exe target 是 phony，make 成功 != 產物存在）
if ($Target -eq 'exe' -or $Target -eq 'default' -or -not $Target) {
    $exeFiles = Get-ChildItem dist -Filter 'visiona-local-*-windows-x64.exe' -ErrorAction SilentlyContinue
    if (-not $exeFiles) {
        Fail "make exe 沒報錯，但 dist\ 下沒有 visiona-local-*-windows-x64.exe。往上捲看 iscc 輸出找原因，或直接跑：
  & `"$env:LOCALAPPDATA\Programs\Inno Setup 6\ISCC.exe`" installer\windows\visiona-local.iss"
    }
}

Log '完成 ✅'
Log "產出位置：$(Join-Path (Get-Location) 'dist')"
Get-ChildItem dist -ErrorAction SilentlyContinue | Format-Table Name, Length