#Requires -Version 5.1
<#
.SYNOPSIS
  Run the Please Pay Me Flutter app.

  Config comes from mobile/.env (PPM_API_BASE_URL, PPM_WEB_URL, PPM_DEMO).
  Optional -ApiBaseUrl / -WebUrl override the file for one run.

.EXAMPLE
  .\run.ps1
  .\run.ps1 -Device chrome
  .\run.ps1 -Target widgetbook
#>
param(
    [ValidateSet("chrome", "windows", "edge")]
    [string]$Device = "windows",

    [ValidateSet("app", "widgetbook")]
    [string]$Target = "app",

    [string]$ApiBaseUrl = "",
    [string]$WebUrl = "",
    [switch]$SkipPubGet
)

$ErrorActionPreference = "Stop"
$MobileRoot = Split-Path -Parent $MyInvocation.MyCommand.Path

if ($Target -eq "widgetbook") {
    & (Join-Path $MobileRoot "widgetbook\run.ps1") -Device $Device -SkipPubGet:$SkipPubGet
    exit $LASTEXITCODE
}

Set-Location $MobileRoot

function Find-Flutter {
    $cmd = Get-Command flutter -ErrorAction SilentlyContinue
    if ($cmd) { return $cmd.Source }

    $candidates = @(
        "$env:USERPROFILE\flutter\bin\flutter.bat",
        "$env:LOCALAPPDATA\flutter\bin\flutter.bat",
        "C:\flutter\bin\flutter.bat",
        "C:\src\flutter\bin\flutter.bat"
    )
    foreach ($path in $candidates) {
        if (Test-Path $path) { return $path }
    }
    return $null
}

$flutter = Find-Flutter
if (-not $flutter) {
    Write-Error "Flutter SDK not found. Add it to PATH, e.g. %USERPROFILE%\flutter\bin"
}

$envFile = Join-Path $MobileRoot ".env"
$exampleFile = Join-Path $MobileRoot ".env.example"
if (-not (Test-Path $envFile)) {
    if (Test-Path $exampleFile) {
        Copy-Item $exampleFile $envFile
        Write-Host "Created .env from .env.example" -ForegroundColor DarkYellow
    }
}

$defines = @()
if (Test-Path $envFile) {
    $defines += "--dart-define-from-file=$envFile"
}

if ($ApiBaseUrl) {
    $defines += "--dart-define=PPM_API_BASE_URL=$ApiBaseUrl"
    if (-not $WebUrl) { $WebUrl = $ApiBaseUrl }
}
if ($WebUrl) {
    $defines += "--dart-define=PPM_WEB_URL=$WebUrl"
}

if ($defines.Count -eq 0) {
    $defines += "--dart-define=PPM_DEMO=true"
}

$mode = "demo (in-memory)"
if (Test-Path $envFile) { $mode = $envFile }
if ($ApiBaseUrl) { $mode = $ApiBaseUrl }

Write-Host "Flutter: $flutter" -ForegroundColor DarkGray
Write-Host "Target:  app" -ForegroundColor DarkGray
Write-Host "Device:  $Device" -ForegroundColor DarkGray
Write-Host "Config:  $mode" -ForegroundColor DarkGray
Write-Host ""

if (-not $SkipPubGet) {
    Write-Host "flutter pub get" -ForegroundColor Cyan
    & $flutter pub get
    if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
}

$defineArgs = $defines -join " "
Write-Host "flutter run -d $Device $defineArgs" -ForegroundColor Cyan
& $flutter run -d $Device @defines
exit $LASTEXITCODE