# HomuraHime Audio Mod - Bank Extraction Script
# Run this after installing AssetRipper to extract FMOD banks

param(
    [string]$GamePath = "C:\apps\steam\steamapps\common\Homura Hime",
    [string]$OutputPath = "C:\projects\HomuraHime-Mods\extracted_assets",
    [string]$BackupPath = "C:\projects\HomuraHime-Mods\backup_banks_original"
)

$ErrorActionPreference = "Stop"

Write-Host "HomuraHime Audio Mod - Bank Extraction Script" -ForegroundColor Cyan
Write-Host "=" * 50

# Check if AssetRipper exists
$AssetRipperPath = "C:\projects\HomuraHime-Mods\tools\AssetRipper\AssetRipper.exe"
if (-not (Test-Path $AssetRipperPath)) {
    Write-Host "[ERROR] AssetRipper not found at: $AssetRipperPath" -ForegroundColor Red
    Write-Host "Please install AssetRipper first (see docs/SETUP_PHASE1.md)" -ForegroundColor Yellow
    exit 1
}

# Check if game path exists
$GameDataPath = Join-Path $GamePath "HomuraHime_Data\StreamingAssets\FMOD\Desktop"
if (-not (Test-Path $GameDataPath)) {
    Write-Host "[ERROR] Game FMOD banks not found at: $GameDataPath" -ForegroundColor Red
    Write-Host "Please verify game installation" -ForegroundColor Yellow
    exit 1
}

Write-Host "[INFO] Game path: $GameDataPath" -ForegroundColor Green

# Create directories
$OutputBanksPath = Join-Path $OutputPath "StreamingAssets\FMOD\Desktop"
$BackupBanksPath = $BackupPath

New-Item -ItemType Directory -Force -Path $OutputBanksPath | Out-Null
New-Item -ItemType Directory -Force -Path $BackupBanksPath | Out-Null

Write-Host "[INFO] Output path: $OutputBanksPath" -ForegroundColor Green
Write-Host "[INFO] Backup path: $BackupBanksPath" -ForegroundColor Green

# List current banks
$banks = Get-ChildItem -Path $GameDataPath -Filter "*.bank"
Write-Host "[INFO] Found $($banks.Count) FMOD bank files" -ForegroundColor Cyan

# Step 1: Backup original banks
Write-Host "`n[STEP 1] Backing up original banks..." -ForegroundColor Yellow
foreach ($bank in $banks) {
    $dest = Join-Path $BackupBanksPath $bank.Name
    Copy-Item -Path $bank.FullName -Destination $dest -Force
    Write-Host "  Backed up: $($bank.Name)" -ForegroundColor Gray
}
Write-Host "[OK] Original banks backed up" -ForegroundColor Green

# Step 2: Launch AssetRipper for extraction
Write-Host "`n[STEP 2] Launching AssetRipper..." -ForegroundColor Yellow
Write-Host "  In AssetRipper:" -ForegroundColor Cyan
Write-Host "    1. File -> Load -> Select HomuraHime_Data folder" -ForegroundColor Cyan
Write-Host "    2. File -> Export -> Resources" -ForegroundColor Cyan
Write-Host "    3. Export to: $OutputPath" -ForegroundColor Cyan
Write-Host "    4. Wait for export to complete" -ForegroundColor Cyan
Write-Host "    5. Close AssetRipper" -ForegroundColor Cyan

Start-Process $AssetRipperPath
Write-Host "`n[PAUSE] Press Enter when AssetRipper export is complete..." -ForegroundColor Yellow
Read-Host

# Step 3: Verify extraction
$extractedBanksPath = Join-Path $OutputPath "StreamingAssets\FMOD\Desktop"
if (Test-Path $extractedBanksPath) {
    $extractedBanks = Get-ChildItem -Path $extractedBanksPath -Filter "*.bank"
    Write-Host "[OK] Found $($extractedBanks.Count) extracted bank files" -ForegroundColor Green
    
    # List key banks
    $keyBanks = @("SFX.bank", "Ambience.bank", "Master.bank", "Voice.bank")
    foreach ($keyBank in $keyBanks) {
        $found = $extractedBanks | Where-Object { $_.Name -eq $keyBank }
        if ($found) {
            Write-Host "  [OK] $keyBank found ($([math]::Round($found.Length / 1MB, 2)) MB)" -ForegroundColor Green
        } else {
            Write-Host "  [WARN] $keyBank not found" -ForegroundColor Yellow
        }
    }
} else {
    Write-Host "[ERROR] Extraction failed - path not found: $extractedBanksPath" -ForegroundColor Red
    exit 1
}

# Summary
Write-Host "`n" + "=" * 50
Write-Host "Extraction Complete!" -ForegroundColor Cyan
Write-Host ""
Write-Host "Next steps:" -ForegroundColor Yellow
Write-Host "  1. Open FMOD Studio 2.02.x" -ForegroundColor Cyan
Write-Host "  2. Open banks from: $extractedBanksPath" -ForegroundColor Cyan
Write-Host "  3. Edit banks for voice limits, ducking, enemy cues" -ForegroundColor Cyan
Write-Host "  4. See docs/FMOD_MODIFICATION_GUIDE_PHASE3.md for details" -ForegroundColor Cyan
Write-Host ""
Write-Host "Current project structure:" -ForegroundColor Gray
Write-Host "  extracted_assets\StreamingAssets\FMOD\Desktop\  <- Edit these banks" -ForegroundColor Gray
Write-Host "  backup_banks_original\  <- Original banks (backup)" -ForegroundColor Gray
Write-Host "  modified_banks\  <- Create this folder for modified banks" -ForegroundColor Gray