#!/bin/bash

# TimeSafari iOS Asset Generation Script
# Manually generates iOS assets using ImageMagick when capacitor-assets fails
# Author: Matthew Raymer

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
IOS_ASSETS_DIR="$PROJECT_ROOT/ios/App/App/Assets.xcassets"
RESOURCES_DIR="$PROJECT_ROOT/resources/ios"

echo "=== TimeSafari iOS Asset Generation ==="
echo "[$(date '+%Y-%m-%d %H:%M:%S')] [INFO] Generating iOS assets manually"

# Check if ImageMagick is available
if ! command -v convert &> /dev/null; then
    echo "[ERROR] ImageMagick 'convert' command not found. Please install ImageMagick."
    exit 1
fi

# Check if source files exist
if [ ! -f "$RESOURCES_DIR/icon/icon.png" ]; then
    echo "[ERROR] Source icon not found: $RESOURCES_DIR/icon/icon.png"
    exit 1
fi

if [ ! -f "$RESOURCES_DIR/splash/splash.png" ]; then
    echo "[ERROR] Source splash not found: $RESOURCES_DIR/splash/splash.png"
    exit 1
fi

if [ ! -f "$RESOURCES_DIR/splash/splash_dark.png" ]; then
    echo "[ERROR] Source dark splash not found: $RESOURCES_DIR/splash/splash_dark.png"
    exit 1
fi

echo "[INFO] Generating iOS app icons..."

# Generate app icons for different sizes
# iPhone icons
convert "$RESOURCES_DIR/icon/icon.png" -resize 40x40 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-20@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 60x60 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-20@3x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 58x58 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-29@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 87x87 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-29@3x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 80x80 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-40@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 120x120 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-40@3x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 120x120 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-60@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 180x180 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-60@3x.png"

# iPad icons
convert "$RESOURCES_DIR/icon/icon.png" -resize 20x20 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-20@1x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 40x40 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-20@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 29x29 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-29@1x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 58x58 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-29@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 40x40 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-40@1x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 80x80 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-40@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 152x152 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-76@2x.png"
convert "$RESOURCES_DIR/icon/icon.png" -resize 167x167 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-83.5@2x.png"

# App Store icon
convert "$RESOURCES_DIR/icon/icon.png" -resize 1024x1024 "$IOS_ASSETS_DIR/AppIcon.appiconset/AppIcon-1024@1x.png"

echo "[INFO] Generating iOS splash screens..."

# Generate splash screens for different scales
convert "$RESOURCES_DIR/splash/splash.png" -resize 320x480 "$IOS_ASSETS_DIR/Splash.imageset/splash@1x.png"
convert "$RESOURCES_DIR/splash/splash.png" -resize 640x960 "$IOS_ASSETS_DIR/Splash.imageset/splash@2x.png"
convert "$RESOURCES_DIR/splash/splash.png" -resize 960x1440 "$IOS_ASSETS_DIR/Splash.imageset/splash@3x.png"

# Generate dark splash screens
convert "$RESOURCES_DIR/splash/splash_dark.png" -resize 320x480 "$IOS_ASSETS_DIR/SplashDark.imageset/splash@1x.png"
convert "$RESOURCES_DIR/splash/splash_dark.png" -resize 640x960 "$IOS_ASSETS_DIR/SplashDark.imageset/splash@2x.png"
convert "$RESOURCES_DIR/splash/splash_dark.png" -resize 960x1440 "$IOS_ASSETS_DIR/SplashDark.imageset/splash@3x.png"

echo "[INFO] Updating Contents.json files to reference generated images..."

# Update AppIcon Contents.json to reference the generated files
cat > "$IOS_ASSETS_DIR/AppIcon.appiconset/Contents.json" << 'EOF'
{
  "images" : [
    {
      "filename" : "AppIcon-20@2x.png",
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "20x20"
    },
    {
      "filename" : "AppIcon-20@3x.png",
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "20x20"
    },
    {
      "filename" : "AppIcon-29@2x.png",
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "29x29"
    },
    {
      "filename" : "AppIcon-29@3x.png",
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "29x29"
    },
    {
      "filename" : "AppIcon-40@2x.png",
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "40x40"
    },
    {
      "filename" : "AppIcon-40@3x.png",
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "40x40"
    },
    {
      "filename" : "AppIcon-60@2x.png",
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "60x60"
    },
    {
      "filename" : "AppIcon-60@3x.png",
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "60x60"
    },
    {
      "filename" : "AppIcon-20@1x.png",
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "20x20"
    },
    {
      "filename" : "AppIcon-20@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "20x20"
    },
    {
      "filename" : "AppIcon-29@1x.png",
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "29x29"
    },
    {
      "filename" : "AppIcon-29@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "29x29"
    },
    {
      "filename" : "AppIcon-40@1x.png",
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "40x40"
    },
    {
      "filename" : "AppIcon-40@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "40x40"
    },
    {
      "filename" : "AppIcon-76@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "76x76"
    },
    {
      "filename" : "AppIcon-83.5@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "83.5x83.5"
    },
    {
      "filename" : "AppIcon-1024@1x.png",
      "idiom" : "ios-marketing",
      "scale" : "1x",
      "size" : "1024x1024"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
}
EOF

# Update Splash Contents.json to reference the generated files
cat > "$IOS_ASSETS_DIR/Splash.imageset/Contents.json" << 'EOF'
{
  "images" : [
    {
      "filename" : "splash@1x.png",
      "idiom" : "universal",
      "scale" : "1x"
    },
    {
      "filename" : "splash@2x.png",
      "idiom" : "universal",
      "scale" : "2x"
    },
    {
      "filename" : "splash@3x.png",
      "idiom" : "universal",
      "scale" : "3x"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
}
EOF

# Update SplashDark Contents.json to reference the generated files
cat > "$IOS_ASSETS_DIR/SplashDark.imageset/Contents.json" << 'EOF'
{
  "images" : [
    {
      "filename" : "splash@1x.png",
      "idiom" : "universal",
      "scale" : "1x"
    },
    {
      "filename" : "splash@2x.png",
      "idiom" : "universal",
      "scale" : "2x"
    },
    {
      "filename" : "splash@3x.png",
      "idiom" : "universal",
      "scale" : "3x"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
}
EOF

echo "[SUCCESS] iOS assets generated successfully!"
echo "[INFO] Generated files:"
find "$IOS_ASSETS_DIR" -name "*.png" | sort

echo ""
echo "[NOTE] iOS builds require macOS with Xcode - cannot build on Linux"
echo "[INFO] Assets are now ready for when you build on macOS"