#!/bin/bash
# ReiLua-Enhanced Project Setup Script
# Creates a new game project with custom metadata

set -e

echo "╔════════════════════════════════════════════════════════════════════╗"
echo "║                                                                    ║"
echo "║              ReiLua-Enhanced - Project Setup Wizard               ║"
echo "║                                                                    ║"
echo "╚════════════════════════════════════════════════════════════════════╝"
echo ""

# Get script directory (ReiLua-Enhanced root)
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd "$SCRIPT_DIR"

# Function to validate alphanumeric input
validate_alphanumeric() {
    if [[ ! "$1" =~ ^[a-zA-Z0-9]+$ ]]; then
        return 1
    fi
    return 0
}

# Get project information
echo "Please provide your project information:"
echo "=========================================="
echo ""

# Project Name
while true; do
    read -p "Project Name (alphanumeric only, e.g., MyAwesomeGame): " PROJECT_NAME
    if validate_alphanumeric "$PROJECT_NAME"; then
        break
    else
        echo "❌ Invalid! Use only letters and numbers (no spaces or symbols)."
    fi
done

# Executable Name
read -p "Executable Name (default: $PROJECT_NAME): " EXECUTABLE_NAME
EXECUTABLE_NAME=${EXECUTABLE_NAME:-$PROJECT_NAME}

# Author Name
read -p "Author Name: " AUTHOR_NAME
if [ -z "$AUTHOR_NAME" ]; then
    AUTHOR_NAME="Unknown Author"
fi

# Author Email
read -p "Author Email: " AUTHOR_EMAIL
if [ -z "$AUTHOR_EMAIL" ]; then
    AUTHOR_EMAIL="author@example.com"
fi

# Description
read -p "Project Description: " DESCRIPTION
if [ -z "$DESCRIPTION" ]; then
    DESCRIPTION="A game made with ReiLua"
fi

# Company/Organization (for bundle identifier)
read -p "Company/Organization (for bundle ID, default: reilua): " COMPANY
COMPANY=${COMPANY:-reilua}

# Convert to lowercase and remove spaces for bundle ID
BUNDLE_ID=$(echo "${COMPANY}.${PROJECT_NAME}" | tr '[:upper:]' '[:lower:]' | tr -d ' ')

# Version
read -p "Version (default: 1.0.0): " VERSION
VERSION=${VERSION:-1.0.0}

echo ""
echo "=========================================="
echo "Project Summary:"
echo "=========================================="
echo "Project Name:     $PROJECT_NAME"
echo "Executable:       $EXECUTABLE_NAME"
echo "Author:           $AUTHOR_NAME"
echo "Email:            $AUTHOR_EMAIL"
echo "Description:      $DESCRIPTION"
echo "Bundle ID:        $BUNDLE_ID"
echo "Version:          $VERSION"
echo "=========================================="
echo ""

read -p "Create project with these settings? (Y/n): " -n 1 -r
echo ""
if [[ ! $REPLY =~ ^[Yy]$ ]] && [[ ! -z $REPLY ]]; then
    echo "Setup cancelled."
    exit 0
fi

# Create project directory
PROJECTS_ROOT="$SCRIPT_DIR/../projects"
mkdir -p "$PROJECTS_ROOT"

PROJECT_DIR="$PROJECTS_ROOT/${PROJECT_NAME}"

if [ -d "$PROJECT_DIR" ]; then
    echo ""
    echo "❌ ERROR: Directory 'projects/$PROJECT_NAME' already exists!"
    read -p "Delete it and continue? (y/N): " -n 1 -r
    echo ""
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        rm -rf "$PROJECT_DIR"
    else
        echo "Setup cancelled."
        exit 1
    fi
fi

echo ""
echo "Creating project directory: projects/$PROJECT_NAME"
mkdir -p "$PROJECT_DIR"

# Copy ReiLua structure
echo "Copying ReiLua-Enhanced files..."

# Create directory structure first
mkdir -p "$PROJECT_DIR"/{src,include,lib,scripts/macos,fonts,logo,cmake}

# Copy files using find to preserve structure, excluding unnecessary files
(cd "$SCRIPT_DIR/.." && \
 find . -type f \
    ! -path './build/*' \
    ! -path './deps/*' \
    ! -path './.git/*' \
    ! -path './projects/*' \
    ! -path './docs/*' \
    ! -path './docs_md/*' \
    ! -path './examples/*' \
    ! -path './template/*' \
    ! -path './tools/*' \
    ! -name '*.app' \
    ! -name '*.dmg' \
    ! -name '*.zip' \
    ! -name '*.o' \
    ! -name '*.md' \
    ! -name 'changelog' \
    ! -name 'devnotes' \
    ! -name '*.png' \
    ! -name 'LICENSE' \
    ! -name 'zed.sample.settings.json' \
    ! -name 'create_project.sh' \
    -exec sh -c 'mkdir -p "$0/$(dirname "{}")" && cp "{}" "$0/{}"' "$PROJECT_DIR" \;)

echo "✓ Files copied (essentials only: src, lib, scripts, assets)"
echo ""
echo "Setting up project files..."

# Get absolute paths for lua and raylib (sibling to ReiLua-Enhanced)
LUA_PATH="$(cd "$SCRIPT_DIR/.." && pwd)/lua"
RAYLIB_PATH="$(cd "$SCRIPT_DIR/.." && pwd)/raylib"

# Update build_static_libs.sh with correct paths
if [ -f "$PROJECT_DIR/scripts/macos/build_static_libs.sh" ]; then
    cat > "$PROJECT_DIR/scripts/macos/build_static_libs.sh" << 'EOFSCRIPT'
#!/bin/bash
# Build static raylib and lua libraries for macOS

set -e

echo "========================================"
echo "Building Static Libraries for macOS"
echo "========================================"
echo ""

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PROJECT_ROOT="$SCRIPT_DIR/../.."
cd "$PROJECT_ROOT"

# Look for lua and raylib as siblings to this project
LUA_SRC="$(cd "$PROJECT_ROOT/.." && pwd)/lua"
RAYLIB_SRC="$(cd "$PROJECT_ROOT/.." && pwd)/raylib"

if [ ! -d "$LUA_SRC" ]; then
    echo "ERROR: Lua source not found at: $LUA_SRC"
    echo ""
    echo "Expected: ../lua relative to project"
    exit 1
fi

if [ ! -d "$RAYLIB_SRC" ]; then
    echo "ERROR: Raylib source not found at: $RAYLIB_SRC"
    echo ""
    echo "Expected: ../raylib relative to project"
    exit 1
fi

echo "Using sources:"
echo "  Lua:    $LUA_SRC"
echo "  Raylib: $RAYLIB_SRC"
echo ""

mkdir -p "$PROJECT_ROOT/lib/macos"

# Build Lua
echo "========================================"
echo "Building Lua 5.4 (static)"
echo "========================================"
cd "$LUA_SRC"
make clean || true

CFLAGS="-O2 -Wall -DLUA_USE_MACOSX -DLUA_USE_DLOPEN"
OBJS=""
for file in lapi lcode lctype ldebug ldo ldump lfunc lgc llex lmem lobject lopcodes lparser lstate lstring ltable ltm lundump lvm lzio lauxlib lbaselib ldblib liolib lmathlib loslib ltablib lstrlib lutf8lib loadlib lcorolib linit; do
    cc $CFLAGS -c ${file}.c -o ${file}.o
    OBJS="$OBJS ${file}.o"
done
ar rcs liblua.a $OBJS
cp liblua.a "$PROJECT_ROOT/lib/macos/"
LUASIZE=$(du -h "$PROJECT_ROOT/lib/macos/liblua.a" | cut -f1)
echo "✓ Lua: $LUASIZE"

# Build Raylib
echo ""
echo "========================================"
echo "Building Raylib 5.5 (static)"
echo "========================================"
cd "$RAYLIB_SRC"
rm -rf build_static
mkdir -p build_static && cd build_static
cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DBUILD_EXAMPLES=OFF -DUSE_EXTERNAL_GLFW=OFF -DCUSTOMIZE_BUILD=ON
make -j$(sysctl -n hw.ncpu)
cp raylib/libraylib.a "$PROJECT_ROOT/lib/macos/"
RAYLIBSIZE=$(du -h "$PROJECT_ROOT/lib/macos/libraylib.a" | cut -f1)
echo "✓ Raylib: $RAYLIBSIZE"

echo ""
echo "Static libraries ready in lib/macos/"
EOFSCRIPT
    chmod +x "$PROJECT_DIR/scripts/macos/build_static_libs.sh"
fi

# Create custom resources.rc for Windows
cat > "$PROJECT_DIR/resources.rc" << EOFRC
IDI_ICON1 ICON "icon.ico"

1 VERSIONINFO
FILEVERSION ${VERSION//./,},0
PRODUCTVERSION ${VERSION//./,},0
FILEFLAGSMASK 0x3fL
FILEFLAGS 0x0L
FILEOS 0x40004L
FILETYPE 0x1L
FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0"
        BEGIN
            VALUE "CompanyName", "$AUTHOR_NAME"
            VALUE "FileDescription", "$DESCRIPTION"
            VALUE "FileVersion", "$VERSION"
            VALUE "InternalName", "$EXECUTABLE_NAME"
            VALUE "LegalCopyright", "Copyright (C) $AUTHOR_NAME, $(date +%Y)"
            VALUE "OriginalFilename", "${EXECUTABLE_NAME}.exe"
            VALUE "ProductName", "$PROJECT_NAME"
            VALUE "ProductVersion", "$VERSION"
        END
    END
    BLOCK "VarFileInfo"
    BEGIN
        VALUE "Translation", 0x409, 1200
    END
END
EOFRC

# Create updated create_app_bundle.sh for macOS
cat > "$PROJECT_DIR/scripts/macos/create_app_bundle.sh" << 'EOFBUNDLE'
#!/bin/bash
# Create macOS App Bundle with Icon and Metadata

set -e

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PROJECT_ROOT="$SCRIPT_DIR/../.."
cd "$PROJECT_ROOT"

# Read project metadata
PROJECT_NAME="__PROJECT_NAME__"
EXECUTABLE_NAME="__EXECUTABLE_NAME__"
BUNDLE_ID="__BUNDLE_ID__"
VERSION="__VERSION__"
AUTHOR_NAME="__AUTHOR_NAME__"
DESCRIPTION="__DESCRIPTION__"

if [ ! -f "build/ReiLua" ]; then
    echo "ERROR: ReiLua executable not found! Build first."
    exit 1
fi

APP_NAME="${1:-$EXECUTABLE_NAME}"
APP_BUNDLE="${APP_NAME}.app"

echo "Creating $APP_BUNDLE..."
mkdir -p "$APP_BUNDLE/Contents/MacOS"
mkdir -p "$APP_BUNDLE/Contents/Resources"

cp build/ReiLua "$APP_BUNDLE/Contents/MacOS/$APP_NAME"
chmod +x "$APP_BUNDLE/Contents/MacOS/$APP_NAME"

# Convert icon
ICNS_FILE="$APP_BUNDLE/Contents/Resources/icon.icns"
if [ -f "icon.ico" ]; then
    mkdir -p icon.iconset
    sips -s format png icon.ico --out icon.iconset/icon_512x512.png -z 512 512 2>/dev/null || true
    if [ -f "icon.iconset/icon_512x512.png" ]; then
        sips -z 256 256 icon.iconset/icon_512x512.png --out icon.iconset/icon_256x256.png
        sips -z 128 128 icon.iconset/icon_512x512.png --out icon.iconset/icon_128x128.png
        sips -z 64 64   icon.iconset/icon_512x512.png --out icon.iconset/icon_64x64.png
        sips -z 32 32   icon.iconset/icon_512x512.png --out icon.iconset/icon_32x32.png
        sips -z 16 16   icon.iconset/icon_512x512.png --out icon.iconset/icon_16x16.png
        cp icon.iconset/icon_512x512.png icon.iconset/icon_256x256@2x.png
        cp icon.iconset/icon_256x256.png icon.iconset/icon_128x128@2x.png
        cp icon.iconset/icon_128x128.png icon.iconset/icon_64x64@2x.png
        cp icon.iconset/icon_64x64.png   icon.iconset/icon_32x32@2x.png
        cp icon.iconset/icon_32x32.png   icon.iconset/icon_16x16@2x.png
        iconutil -c icns icon.iconset -o "$ICNS_FILE"
    fi
    rm -rf icon.iconset
fi

# Create Info.plist with project metadata
cat > "$APP_BUNDLE/Contents/Info.plist" << EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleExecutable</key>
    <string>$APP_NAME</string>
    <key>CFBundleIconFile</key>
    <string>icon.icns</string>
    <key>CFBundleIdentifier</key>
    <string>$BUNDLE_ID</string>
    <key>CFBundleName</key>
    <string>$PROJECT_NAME</string>
    <key>CFBundleDisplayName</key>
    <string>$PROJECT_NAME</string>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleShortVersionString</key>
    <string>$VERSION</string>
    <key>CFBundleVersion</key>
    <string>$VERSION</string>
    <key>NSHumanReadableCopyright</key>
    <string>Copyright © $(date +%Y) $AUTHOR_NAME. All rights reserved.</string>
    <key>LSMinimumSystemVersion</key>
    <string>10.12</string>
    <key>NSHighResolutionCapable</key>
    <true/>
</dict>
</plist>
EOF

echo "✓ $APP_BUNDLE created!"
echo "  open $APP_BUNDLE"
EOFBUNDLE

# Replace placeholders in create_app_bundle.sh
if [ -f "$PROJECT_DIR/scripts/macos/create_app_bundle.sh" ]; then
    # Cross-platform sed: detect OS and use appropriate syntax
    if [[ "$OSTYPE" == "darwin"* ]]; then
        # macOS requires empty string after -i
        SED_INPLACE="sed -i ''"
    else
        # Linux/Windows Git Bash
        SED_INPLACE="sed -i"
    fi
    
    $SED_INPLACE "s/__PROJECT_NAME__/$PROJECT_NAME/g" "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
    $SED_INPLACE "s/__EXECUTABLE_NAME__/$EXECUTABLE_NAME/g" "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
    $SED_INPLACE "s/__BUNDLE_ID__/$BUNDLE_ID/g" "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
    $SED_INPLACE "s/__VERSION__/$VERSION/g" "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
    $SED_INPLACE "s/__AUTHOR_NAME__/$AUTHOR_NAME/g" "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
    $SED_INPLACE "s/__DESCRIPTION__/$DESCRIPTION/g" "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
    chmod +x "$PROJECT_DIR/scripts/macos/create_app_bundle.sh"
fi

# Create project metadata file
cat > "$PROJECT_DIR/project.info" << EOFINFO
# Project Information
PROJECT_NAME=$PROJECT_NAME
EXECUTABLE_NAME=$EXECUTABLE_NAME
AUTHOR_NAME=$AUTHOR_NAME
AUTHOR_EMAIL=$AUTHOR_EMAIL
DESCRIPTION=$DESCRIPTION
BUNDLE_ID=$BUNDLE_ID
VERSION=$VERSION
COMPANY=$COMPANY
CREATED=$(date +%Y-%m-%d)
EOFINFO

# Create README for the project
cat > "$PROJECT_DIR/README.md" << EOFREADME
# $PROJECT_NAME

$DESCRIPTION

## Project Information

- **Author:** $AUTHOR_NAME <$AUTHOR_EMAIL>
- **Version:** $VERSION
- **Created:** $(date +%Y-%m-%d)
- **Built with:** ReiLua-Enhanced

## Building

### Development Build
\`\`\`bash
./scripts/build_dev.sh
\`\`\`

### Release Build
\`\`\`bash
# Copy your Lua files and assets
mkdir -p build
cp *.lua build/
cp -r assets build/

# Build
./scripts/build_release.sh
\`\`\`

### macOS App Bundle
\`\`\`bash
./scripts/macos/create_app_bundle.sh
\`\`\`

## Project Structure

\`\`\`
$PROJECT_NAME/
├── main.lua           # Your game entry point
├── assets/            # Game assets (images, sounds, etc.)
├── build/             # Build output directory
├── scripts/           # Build scripts
│   ├── build_dev.sh
│   ├── build_release.sh
│   └── macos/
│       ├── build_static_libs.sh
│       └── create_app_bundle.sh
├── src/               # ReiLua C source
├── include/           # Headers
└── lib/               # Static libraries
\`\`\`

## Game Development

Edit \`main.lua\` and add your game code:

\`\`\`lua
function init()
    -- Initialize your game
end

function update(dt)
    -- Update game logic
end

function draw()
    -- Draw your game
end
\`\`\`

## Distribution

### Windows
\`\`\`bash
# After build_release.sh
# The executable is: build/${EXECUTABLE_NAME}.exe
\`\`\`

### macOS
\`\`\`bash
# Create app bundle
./scripts/macos/create_app_bundle.sh

# Create DMG for distribution
hdiutil create -volname '$PROJECT_NAME' \\
    -srcfolder '${EXECUTABLE_NAME}.app' \\
    -ov -format UDZO ${EXECUTABLE_NAME}.dmg
\`\`\`

### Linux
\`\`\`bash
# After build_release.sh
# The executable is: build/ReiLua (rename to ${EXECUTABLE_NAME})
\`\`\`

## License

Add your license information here.

---

Built with [ReiLua-Enhanced](https://github.com/nullstare/ReiLua)
EOFREADME

# Create example main.lua
cat > "$PROJECT_DIR/main.lua" << EOFLUA
-- $PROJECT_NAME
-- $DESCRIPTION
-- Author: $AUTHOR_NAME

function init()
    print("$PROJECT_NAME initialized!")
    print("Version: $VERSION")
    print("Author: $AUTHOR_NAME")
    
    -- Initialize your game here
end

function update(dt)
    -- Update game logic here
    -- dt = delta time in seconds
end

function draw()
    -- Draw your game here
    RL.clearBackground(RL.RAYWHITE)
    
    RL.drawText("$PROJECT_NAME", 10, 10, 40, RL.BLACK)
    RL.drawText("Press ESC to exit", 10, 60, 20, RL.DARKGRAY)
    
    if RL.isKeyPressed(RL.KEY_ESCAPE) then
        RL.closeWindow()
    end
end
EOFLUA

# Create assets directory
mkdir -p "$PROJECT_DIR/assets"
cat > "$PROJECT_DIR/assets/.gitkeep" << EOFKEEP
# Place your game assets here:
# - Images (.png, .jpg)
# - Sounds (.wav, .ogg, .mp3)
# - Fonts (.ttf)
# - Other resources
EOFKEEP

echo ""
echo "╔════════════════════════════════════════════════════════════════════╗"
echo "║                                                                    ║"
echo "║                    ✅ Project Setup Complete! ✅                  ║"
echo "║                                                                    ║"
echo "╚════════════════════════════════════════════════════════════════════╝"
echo ""
echo "Project Details:"
echo "  Name:       $PROJECT_NAME"
echo "  Location:   projects/$PROJECT_NAME"
echo "  Executable: $EXECUTABLE_NAME"
echo "  Author:     $AUTHOR_NAME"
echo ""
echo "Next Steps:"
echo "  1. cd projects/$PROJECT_NAME"
echo "  2. Edit main.lua (your game code)"
echo "  3. Add assets to assets/ folder"
echo "  4. Build: ./scripts/build_dev.sh"
echo "  5. Run: ./build/ReiLua"
echo ""
echo "Files Created:"
echo "  ✓ main.lua - Game entry point"
echo "  ✓ project.info - Project metadata"
echo "  ✓ README.md - Project documentation"
echo "  ✓ resources.rc - Windows metadata (embedded in .exe)"
echo "  ✓ scripts/macos/create_app_bundle.sh - macOS bundle with metadata"
echo "  ✓ assets/ - Asset directory"
echo ""
echo "Build Scripts Updated:"
echo "  ✓ Lua path:    ../lua (sibling directory)"
echo "  ✓ Raylib path: ../raylib (sibling directory)"
echo ""
echo "All projects are in: projects/ folder"
echo "Happy game development! 🎮"
echo ""