<#
.SYNOPSIS
  Cuit un mod d'assets et l'assemble en archive installable (lot H3b, Docs/Migration/16_H3_Mods_Paquets.md).

.DESCRIPTION
  Sources : ModSources\<Nom>\ (<Nom>.uplugin, Content\, Module\ ; voir Tools/ModSource.ps1).
  1. controles : plugin et module (MODULE_UNIQUEID = <Nom>), version de reference Releases\<Version>\Windows, aucun
     autre plugin dans Mods\ ;
  1b. -Retarget bake|rigs : recopie les clips Quaternius sur Bridget et Michael (Tools/RetargetQuaternius.py
     dans UnrealEditor.exe, Slate requis). L'editeur doit etre ferme. -RetargetOnly s'arrete avant la cuisson ;
  1c. -Target sandbox|game ecrit Saved\Config\Windows\LPAnimTarget.ini. -Open lance cette cible
     (sandbox : chambre d'essai ; game : partie, carte par defaut) et ne cuit pas ;
  2. montage du mod dans Mods\<Nom>, cuisson DLC contre la version de reference (BuildCookRun -dlcname
     -basedonreleaseversion, via cmd /c : appelee directement depuis PowerShell, la version est coupee en deux),
     journal dans Saved\Logs\portage\mods ; remise en place dans ModSources\<Nom> dans tous les cas ;
  3. controle du conteneur : chaque paquet est sous Mods/<Nom>/ (aucun asset du jeu embarque) ;
  4. assemblage <Out>\<Nom>-for-LifePlay-<Version>\LifePlay\{Mods\<Nom>, Content\Modules\<Nom>} + notice bilingue,
     archive .zip testee (7-Zip) ; un assemblage precedent du meme nom est deplace (precedent_<date>), jamais supprime ;
  5. -Install <dossier du jeu> : copie le mod dans un jeu de test (dossier contenant LifePlay.exe).

.EXAMPLE
  .\Tools\BuildMod.ps1 -Name lpr_hair_pocolov
  .\Tools\BuildMod.ps1 -Name lpr_hair_pocolov -Retarget bake
  .\Tools\BuildMod.ps1 -Name lpr_hair_pocolov -Retarget bake -RetargetOnly
  .\Tools\BuildMod.ps1 -Target sandbox -Open
  .\Tools\BuildMod.ps1 -Target game -Open
  .\Tools\BuildMod.ps1 -Name lpr_hair_pocolov -Install D:\Game\LifePlay_Build_5.5_H3d\Windows
#>
param(
    [string] $Name = '',
    [string] $Version = '',
    [string] $Out = 'D:\Game\LifePlay_Publication\Mods',
    [string] $Install = '',
    [string] $Retarget = '',
    [switch] $RetargetOnly,
    [string] $Target = '',
    [switch] $Open
)

$ErrorActionPreference = 'Stop'
$Root = Split-Path $PSScriptRoot -Parent
. (Join-Path $PSScriptRoot 'ModSource.ps1')
$UE = 'D:\Game\Launcher\Engine\UE_5.5\Engine'
$SevenZip = 'C:\Program Files\7-Zip\7z.exe'

function Invoke-AnimToGenesis([string] $ProjectRoot, [string] $Mode) {
    $running = @(Get-Process UnrealEditor, UnrealEditor-Cmd -ErrorAction SilentlyContinue)
    if ($running) { throw "UnrealEditor est ouvert (pid $($running[0].Id)) : le fermer avant la conversion" }
    $stepFile = Join-Path $ProjectRoot 'Saved\anim_to_genesis_step.txt'
    New-Item -ItemType Directory -Force (Split-Path $stepFile) | Out-Null
    [IO.File]::WriteAllText($stepFile, ($Mode.Trim().ToLower() + "`r`n"), (New-Object Text.UTF8Encoding $false))
    $editor = Join-Path $UE 'Binaries\Win64\UnrealEditor.exe'
    $project = Join-Path $ProjectRoot 'LifePlay.uproject'
    $script = Join-Path $ProjectRoot 'Tools\RetargetQuaternius.py'
    $logDir = Join-Path $ProjectRoot 'Saved\Logs'
    $success = if ($Mode -eq 'rigs') { 'RETARGET rigs prets' } else { 'RETARGET bridget \d+ michael \d+ deplaces \d+' }
    $before = @{}
    Get-ChildItem $logDir -Filter 'LifePlay*.log' -ErrorAction SilentlyContinue | ForEach-Object { $before[$_.FullName] = $_.Length }
    Write-Host "Conversion des clips Quaternius vers Bridget et Michael ($Mode)"
    $proc = Start-Process -FilePath $editor -ArgumentList @($project, "-ExecutePythonScript=$script", '-nosplash', '-unattended') -WorkingDirectory $ProjectRoot -PassThru
    $deadline = (Get-Date).AddMinutes(25)
    $hit = $null
    $failure = $null
    while ((Get-Date) -lt $deadline) {
        Start-Sleep -Seconds 5
        $logs = @(Get-ChildItem $logDir -Filter 'LifePlay*.log' -ErrorAction SilentlyContinue)
        foreach ($file in $logs) {
            $offset = 0
            if ($before.ContainsKey($file.FullName)) { $offset = $before[$file.FullName] }
            if ($file.Length -le $offset) { continue }
            try {
                $stream = [IO.File]::Open($file.FullName, [IO.FileMode]::Open, [IO.FileAccess]::Read, [IO.FileShare]::ReadWrite)
            }
            catch [System.IO.IOException] { continue }
            try {
                $stream.Seek($offset, [IO.SeekOrigin]::Begin) | Out-Null
                $reader = New-Object IO.StreamReader($stream)
                $text = $reader.ReadToEnd()
            }
            finally { $stream.Close() }
            $ok = [regex]::Match($text, $success)
            if ($ok.Success) { $hit = $ok.Value }
            $bad = [regex]::Match($text, 'chaine impossible[^\r\n]*|RETARGET deplacement rate[^\r\n]*|etape inconnue[^\r\n]*|LogPython: Error:[^\r\n]*')
            if ($bad.Success) { $failure = $bad.Value.Trim() }
        }
        if ($hit) { break }
        $editorGone = -not (Get-Process UnrealEditor -ErrorAction SilentlyContinue)
        if ($editorGone -and $proc.HasExited) { break }
    }
    if ($failure -and -not $hit) { throw "Conversion en echec : $failure" }
    if (-not $hit) { throw "Conversion sans ligne RETARGET : voir Saved\Logs\LifePlay.log" }
    $quiet = (Get-Date).AddMinutes(2)
    while ((Get-Date) -lt $quiet -and (Get-Process -Id $proc.Id -ErrorAction SilentlyContinue)) { Start-Sleep -Seconds 2 }
    $still = @(Get-Process UnrealEditor -ErrorAction SilentlyContinue)
    if ($still) { throw "Conversion terminee ($hit) mais UnrealEditor est encore ouvert : le fermer avant la cuisson" }
    Write-Host "  $hit"
}

function Write-AnimTarget([string] $ProjectRoot, [string] $Which) {
    $dir = Join-Path $ProjectRoot 'Saved\Config\Windows'
    New-Item -ItemType Directory -Force $dir | Out-Null
    $ini = Join-Path $dir 'LPAnimTarget.ini'
    [IO.File]::WriteAllText($ini, "[LifePlay.Anim]`r`nTarget=$Which`r`n", (New-Object Text.UTF8Encoding $false))
    Write-Host "Cible des animations : $Which ($ini)"
}

function Open-AnimTarget([string] $ProjectRoot, [string] $Which) {
    $running = @(Get-Process UnrealEditor, UnrealEditor-Cmd -ErrorAction SilentlyContinue)
    if ($running) { throw "UnrealEditor est ouvert (pid $($running[0].Id)) : le fermer avant d'ouvrir la cible" }
    $editor = Join-Path $UE 'Binaries\Win64\UnrealEditor.exe'
    $project = Join-Path $ProjectRoot 'LifePlay.uproject'
    if ($Which -eq 'sandbox') {
        # Le .bat quote l'argument -ini. Start-Process le coupe sur les deux-points.
        & (Join-Path $ProjectRoot 'Tools\debug\LifePlay_interaction_sandbox.bat')
    }
    else {
        Start-Process -FilePath $editor -ArgumentList @($project, '-game', '-windowed', '-ResX=1600', '-ResY=900') -WorkingDirectory $ProjectRoot | Out-Null
    }
    Write-Host "Ouvert : $Which"
}

# 1. Controles. Cuisson seulement : -Target -Open peut partir sans mod.
if ($Open -and -not $Target) { throw "-Open demande -Target sandbox ou -Target game" }
if ($Target -and $Target -notin 'sandbox', 'game') { throw "-Target vaut sandbox ou game (recu : $Target)" }
$bCook = -not $RetargetOnly -and -not $Open
if ($bCook -and -not $Name) { throw "Preciser -Name du mod" }
if (-not $bCook -and -not $Target -and -not $Retarget) { throw "Preciser -Name du mod, ou -Target sandbox|game" }
if ($bCook) {
if (-not $Version) {
    $line = Select-String -Path (Join-Path $Root 'Config\DefaultGame.ini') -Pattern '^ProjectVersion=(.+)$' | Select-Object -First 1
    if (-not $line) { throw 'ProjectVersion absent de Config\DefaultGame.ini : preciser -Version' }
    $Version = $line.Matches[0].Groups[1].Value.Trim()
}
$src = Join-Path $Root "ModSources\$Name"
$lpmod = Join-Path $src "Module\$Name.lpmod"
if (-not (Test-Path (Join-Path $src "$Name.uplugin"))) { throw "ModSources\$Name\$Name.uplugin introuvable" }
if (-not (Test-Path $lpmod)) { throw "ModSources\$Name\Module\$Name.lpmod introuvable" }
$id = (Select-String -Path $lpmod -Pattern '^MODULE_UNIQUEID:\s*(.+)$' | Select-Object -First 1).Matches[0].Groups[1].Value.Trim()
if ($id -ne $Name) { throw "MODULE_UNIQUEID ($id) different du nom du mod ($Name)" }
$title = (Select-String -Path $lpmod -Pattern '^MODULE_NAME:\s*(.+)$' | Select-Object -First 1).Matches[0].Groups[1].Value.Trim()
# Metadonnees (H3d) : le jeu lit les trois premieres lignes par position.
$lpmodLines = @(Get-Content $lpmod -Encoding utf8)
$expected = 'MODULE_UNIQUEID:', 'MODULE_NAME:', 'MODULE_AUTHOR:'
for ($i = 0; $i -lt 3; $i++) {
    if ($lpmodLines.Count -le $i -or -not $lpmodLines[$i].StartsWith($expected[$i])) { throw "$Name.lpmod : la ligne $($i + 1) doit commencer par $($expected[$i]) (le jeu lit ces lignes par position)" }
}
function Get-LpmodValue([string] $Key) {
    $m = $lpmodLines | Select-String -Pattern "^$([regex]::Escape($Key)):\s*(.*)$" | Select-Object -First 1
    if ($m) { $m.Matches[0].Groups[1].Value.Trim() } else { '' }
}
$modVersion = Get-LpmodValue 'MODULE_VERSION'
# Mod payant : aucune licence d'asset non commerciale ou de magasin dans les credits.
$price = Get-LpmodValue 'MODULE_PRICE'
if ($price -and $price -notmatch '^(free|gratuit|0+([.,]0+)?)$') {
    $blocking = Select-String -Path (Join-Path $src 'Module\CREDITS.txt') -Pattern '\bNC\b|NonCommercial|Non-Commercial|Standard License|Personal' -ErrorAction SilentlyContinue
    if ($blocking) { throw "MODULE_PRICE '$price' : licence(s) incompatible(s) avec la vente dans CREDITS.txt ($($blocking[0].Line.Trim()))" }
}
$release = Join-Path $Root "Releases\$Version\Windows"
if (-not (Test-Path (Join-Path $release 'AssetRegistry.bin'))) { throw "Version de reference absente : $release (build de publication avec -createreleaseversion=$Version)" }
$stray = Get-StrayMods $Root
if ($stray) { throw "Autres plugins dans Mods\ ($($stray -join ', ')) : les remettre dans ModSources avant de cuire" }
}

# 1b. Conversion, puis redirecteur sandbox ou game.
if ($RetargetOnly -and -not $Retarget) { $Retarget = 'bake' }
if ($Retarget -and $Retarget -notin 'bake', 'rigs') { throw "-Retarget vaut bake ou rigs (recu : $Retarget)" }
if ($Target) { Write-AnimTarget $Root $Target }
if ($Retarget) { Invoke-AnimToGenesis $Root $Retarget }
if ($Open) {
    Open-AnimTarget $Root $Target
    exit 0
}
if (-not $bCook) {
    Write-Host "Cuisson non lancee"
    exit 0
}

# 2. Cuisson DLC.
$logDir = Join-Path $Root 'Saved\Logs\portage\mods'
New-Item -ItemType Directory -Force $logDir | Out-Null
$log = Join-Path $logDir ("{0}_{1}.log" -f $Name, (Get-Date -Format 'yyyyMMdd_HHmmss'))
$mounted = Mount-ModSource $Root $Name
try {
    $uplugin = Join-Path $mounted "$Name.uplugin"
    # Commande ecrite dans un .cmd a cote du journal (guillemets intacts, commande exacte conservee).
    $batch = [IO.Path]::ChangeExtension($log, '.cmd')
    $cmd = "@call `"$UE\Build\BatchFiles\RunUAT.bat`" BuildCookRun -project=`"$Root\LifePlay.uproject`" -platform=Win64 -clientconfig=Shipping -cook -stage -pak -iostore -compressed -dlcname=`"$uplugin`" -basedonreleaseversion=$Version -nodebuginfo -unattended -utf8output -nop4 > `"$log`" 2>&1"
    [IO.File]::WriteAllText($batch, $cmd + "`r`n@exit /b %ERRORLEVEL%`r`n", (New-Object Text.UTF8Encoding $false))
    Write-Host "Cuisson DLC de $Name contre $Version (journal : $log)"
    & cmd /c $batch
    $exit = $LASTEXITCODE
    $cooked = Select-String -Path $log -Pattern 'Packages Cooked: (\d+)' | Select-Object -Last 1
    if ($exit -ne 0 -or -not $cooked) { throw "Cuisson en echec (code $exit) : voir $log" }
    Write-Host "  $($cooked.Matches[0].Groups[1].Value) paquet(s) cuit(s)"
    $paks = Join-Path $mounted "Saved\StagedBuilds\Windows\LifePlay\Mods\$Name\Content\Paks\Windows"
    $files = @(Get-ChildItem $paks -File | Where-Object { $_.LastWriteTime -gt (Get-Item $log).CreationTime })
    if ($files.Count -lt 3) { throw "Paquets du mod absents ou anciens dans $paks" }

    # 3. Contenu du conteneur : rien hors de Mods/<Nom>/.
    $utoc = ($files | Where-Object Extension -eq '.utoc' | Select-Object -First 1).FullName
    $entries = @(& "$UE\Binaries\Win64\UnrealPak.exe" $utoc -List 2>&1 | ForEach-Object { "$_" } | Where-Object { $_ -match '"\.\./\.\./\.\./' } | ForEach-Object { ($_ -split '"')[1] })
    $outside = @($entries | Where-Object { $_ -notlike "../../../LifePlay/Mods/$Name/*" })
    if (-not $entries -or $outside) { throw "Conteneur : $($entries.Count) entree(s), $($outside.Count) hors de Mods/$Name ($($outside | Select-Object -First 3))" }
    Write-Host "  conteneur : $($entries.Count) fichier(s), tous sous Mods/$Name/"

    # 4. Assemblage.
    New-Item -ItemType Directory -Force $Out | Out-Null
    $base = if ($modVersion) { "$Name-$modVersion-for-LifePlay-$Version" } else { "$Name-for-LifePlay-$Version" }
    $stage = Join-Path $Out $base
    $zip = "$stage.zip"
    $stamp = Get-Date -Format 'yyyyMMdd_HHmmss'
    if (Test-Path $stage) { Move-Item $stage "$stage.precedent_$stamp" }
    if (Test-Path $zip) { Move-Item $zip "$stage.precedent_$stamp.zip" }
    $modDir = Join-Path $stage "LifePlay\Mods\$Name"
    New-Item -ItemType Directory -Force (Join-Path $modDir 'Content\Paks\Windows') | Out-Null
    Copy-Item $uplugin $modDir
    $files | Copy-Item -Destination (Join-Path $modDir 'Content\Paks\Windows')
    Copy-Item (Join-Path $mounted 'Module') (Join-Path $stage "LifePlay\Content\Modules\$Name") -Recurse
    # Copie livree (pas les sources) : date de paquet et version du jeu visee (avertissement en jeu si elle differe).
    $stagedLpmod = Join-Path $stage "LifePlay\Content\Modules\$Name\$Name.lpmod"
    $stamped = @($lpmodLines | Where-Object { $_ -notmatch '^MODULE_(PACKAGED|GAME_VERSION):' }) + "MODULE_PACKAGED: $(Get-Date -Format 'yyyy-MM-dd')" + "MODULE_GAME_VERSION: $Version"
    [IO.File]::WriteAllText($stagedLpmod, ($stamped -join "`r`n") + "`r`n", (New-Object Text.UTF8Encoding $false))
    # Descripteur livre : version du mod et lien de l'auteur dans les champs natifs du plugin.
    $stagedPlugin = Join-Path $modDir "$Name.uplugin"
    $desc = Get-Content $stagedPlugin -Raw | ConvertFrom-Json
    if ($modVersion) { $desc.VersionName = $modVersion }
    $authorLink = Get-LpmodValue 'MODULE_AUTHOR_LINK'
    if ($authorLink) { $desc | Add-Member CreatedByURL $authorLink -Force }
    [IO.File]::WriteAllText($stagedPlugin, ($desc | ConvertTo-Json) + "`r`n", (New-Object Text.UTF8Encoding $false))
    $readme = @(
        "$title ($Name)$(if ($modVersion) { " $modVersion" }) - built for LifePlay $Version",
        '',
        'INSTALL: extract this archive into the game folder (the one containing LifePlay.exe), merging the LifePlay folder.',
        "Then open `"Mod Manager`" on the title screen and enable the mod. To uninstall, delete LifePlay\Mods\$Name",
        "and LifePlay\Content\Modules\$Name. Credits and licenses: LifePlay\Content\Modules\$Name\CREDITS.txt.",
        "This mod contains cooked assets: it is made for LifePlay $Version and may need a rebuild for other versions.",
        '',
        'INSTALLATION : extraire cette archive dans le dossier du jeu (celui de LifePlay.exe) en fusionnant le dossier',
        'LifePlay, puis activer le mod dans "Mod Manager" sur l''ecran titre. Desinstallation : supprimer',
        "LifePlay\Mods\$Name et LifePlay\Content\Modules\$Name. Credits et licences : CREDITS.txt du module.",
        "Ce mod contient des assets cuits pour LifePlay $Version : une autre version du jeu peut demander de le recuire.")
    [IO.File]::WriteAllText((Join-Path $stage 'README.txt'), ($readme -join "`r`n") + "`r`n", (New-Object Text.UTF8Encoding $false))
}
finally {
    Dismount-ModSource $Root $Name
}

Push-Location $stage
try {
    & $SevenZip a -tzip $zip '.\*' | Out-Null
    & $SevenZip t $zip | Out-Null
    if ($LASTEXITCODE -ne 0) { throw "Archive $zip invalide" }
}
finally { Pop-Location }
$staged = @(Get-ChildItem $stage -Recurse -File).Count
$listed = @(& $SevenZip l -slt $zip | Where-Object { $_ -match '^Attributes = [^D]*$' }).Count
if ($staged -ne $listed) { throw "Archive : $listed fichier(s) pour $staged assembles" }
$hash = (Get-FileHash $zip -Algorithm SHA256).Hash
Write-Host ("Archive : {0} ({1:N0} octets, {2} fichiers, SHA-256 {3})" -f $zip, (Get-Item $zip).Length, $listed, $hash)

# Index de diffusion (Tools/SplitModules.ps1, mode per_module) : ligne du mod ajoutee ou remplacee.
$index = Join-Path $Out 'INDEX.txt'
if (Test-Path $index) {
    $entry = '{0} ({1}) : {2}, {3:N0} bytes, SHA-256 {4}' -f $title, $Name, (Split-Path $zip -Leaf), (Get-Item $zip).Length, $hash.ToLower()
    $kept = @(Get-Content $index -Encoding utf8 | Where-Object { $_ -notlike "* ($Name) : *" })
    [IO.File]::WriteAllText($index, (($kept + $entry) -join "`r`n") + "`r`n", (New-Object Text.UTF8Encoding $false))
    Write-Host "Index mis a jour : $index"
}

# 5. Installation dans un jeu de test.
if ($Install) {
    if (-not (Test-Path (Join-Path $Install 'LifePlay.exe'))) { throw "$Install ne contient pas LifePlay.exe" }
    robocopy (Join-Path $stage 'LifePlay') (Join-Path $Install 'LifePlay') /E /NFL /NDL /NJH /NJS /NP | Out-Null
    if ($LASTEXITCODE -ge 8) { throw "Copie vers $Install en echec (robocopy $LASTEXITCODE)" }
    Write-Host "Installe dans $Install"
}
# Code de sortie : succes (robocopy renvoie 1 a 7 quand il a copie).
exit 0