#!/bin/bash

# Get the user's home directory
USER_HOME="$HOME"

# Set up Unreal Engine paths
UE_ROOT="/Users/Shared/Epic Games/UE_5.5"
UE_EDITOR="$UE_ROOT/Engine/Binaries/Mac/UnrealEditor.app/Contents/MacOS/UnrealEditor"
UE_UAT="$UE_ROOT/Engine/Build/BatchFiles/RunUAT.command"

# Set up project paths
PROJECT_ROOT="$(pwd)"
PROJECT_FILE="$PROJECT_ROOT/LuckyWorld.uproject"
ARCHIVE_DIR="$PROJECT_ROOT/Builds"

# Check for entitlements file
if [ -f "$PROJECT_ROOT/LuckyWorld.entitlements" ]; then
  ENTITLEMENTS_FILE="$PROJECT_ROOT/LuckyWorld.entitlements"
  echo "✅ Using entitlements file: $ENTITLEMENTS_FILE"
else
  echo "⚠️ Warning: No entitlements file found. This might affect notarization."
  ENTITLEMENTS_FILE=""
fi

# Print paths and config for debugging 
echo "Project root: $PROJECT_ROOT"
echo "Project file: $PROJECT_FILE"
echo "Archive directory: $ARCHIVE_DIR"

# Clean up previous build artifacts
rm -rf DerivedDataCache Intermediate Binaries Saved

# Generate project files
echo "📝 Generating project files..."
"$UE_ROOT/Engine/Build/BatchFiles/Mac/GenerateProjectFiles.sh" -project="$PROJECT_FILE" -game -engine

# Run the build command
echo "🔨 Starting build process..."
"$UE_UAT" -ScriptsForProject="$PROJECT_FILE" Turnkey \
  -command=VerifySdk \
  -platform=Mac \
  -UpdateIfNeeded \
  -EditorIO \
  -EditorIOPort=59484 \
  -project="$PROJECT_FILE" \
  BuildCookRun \
  -nop4 \
  -utf8output \
  -cook \
  -project="$PROJECT_FILE" \
  -target=LuckyWorld \
  -unrealexe="$UE_EDITOR" \
  -platform=Mac \
  -installed \
  -stage \
  -skipStage=SignExecutables \
  -archive \
  -package \
  -build \
  -iterativecooking \
  -pak \
  -iostore \
  -compressed \
  -prereqs \
  -archivedirectory="$ARCHIVE_DIR" \
  -CrashReporter \
  -clientconfig=Shipping

echo ""
echo "🔍 Looking for built application..."
APP_PATH=$(find "$ARCHIVE_DIR" -name "*.app" -type d | head -n 1)

# Check if the build actually succeeded by verifying the app exists
if [ -z "$APP_PATH" ] || [ ! -d "$APP_PATH" ]; then
  echo "❌ ERROR: Build failed or did not produce an app bundle!"
  echo "Check the logs above for build errors."
  echo "Common issues:"
  echo "  - 'Targets with a unique build environment cannot be built with an installed engine'"
  echo "     Fix: Use bOverrideBuildEnvironment = true instead of BuildEnvironment = TargetBuildEnvironment.Unique"
  exit 1
fi

echo "✅ Build completed successfully! Application path:"
echo "$APP_PATH"

if [ -n "$APP_PATH" ]; then
  echo ""
  echo "🔍 Binary files summary:"
  DYLIB_COUNT=$(find "$APP_PATH" -name "*.dylib" | wc -l)
  SO_COUNT=$(find "$APP_PATH" -name "*.so" | wc -l)
  FRAMEWORKS=$(find "$APP_PATH" -path "*.framework/*" -type f -perm +111 | wc -l)
  EXECUTABLES=$(find "$APP_PATH" -type f -perm +111 -not -path "*.framework/*" -not -name "*.dylib" -not -name "*.so" | wc -l)
  
  echo "- $DYLIB_COUNT .dylib libraries"
  echo "- $SO_COUNT .so libraries"
  echo "- $FRAMEWORKS framework executables"
  echo "- $EXECUTABLES other executables"
  echo "Total binary files: $((DYLIB_COUNT + SO_COUNT + FRAMEWORKS + EXECUTABLES))"

  # Check bundle ID (for information only, no modifications)
  INFO_PLIST="$APP_PATH/Contents/Info.plist"
  if [ -f "$INFO_PLIST" ]; then
    BUNDLE_ID=$(/usr/libexec/PlistBuddy -c "Print :CFBundleIdentifier" "$INFO_PLIST")
    echo ""
    echo "📦 App Bundle ID: $BUNDLE_ID"
  fi
fi

echo ""
echo "✅ Build complete!"
echo "App location: $APP_PATH"