#!/bin/bash
set -e

# Configuration
ANDROID_COMPILE_SDK="34"
ANDROID_BUILD_TOOLS="34.0.0"
CMDLINE_TOOLS_URL="https://dl.google.com/android/repository/commandlinetools-linux-10406996_latest.zip"
CIQ_SDK_URL="https://developer.garmin.com/downloads/connect-iq/sdks/connectiq-sdk-linux-6.4.1-2023-12-13-176868848.zip"
CIQ_DEVICE="fenix7spro" # Default device for build

PROJECT_ROOT=$(pwd)
TOOLS_DIR="$PROJECT_ROOT/_build_tools"
ANDROID_SDK_ROOT="$TOOLS_DIR/android-sdk"
CIQ_SDK_ROOT="$TOOLS_DIR/ciq-sdk"

mkdir -p "$TOOLS_DIR"

echo "=== FotoCompanion Build Setup ==="

# 1. Check Java
if ! command -v java &> /dev/null; then
    echo "Error: Java (JDK) not found. Please install JDK 17."
    exit 1
fi

# 2. Setup Android SDK
if [ ! -d "$ANDROID_SDK_ROOT/cmdline-tools" ]; then
    echo "Downloading Android Command Line Tools..."
    wget -q -O "$TOOLS_DIR/cmdline-tools.zip" "$CMDLINE_TOOLS_URL"
    mkdir -p "$ANDROID_SDK_ROOT/cmdline-tools/latest"
    unzip -q "$TOOLS_DIR/cmdline-tools.zip" -d "$TOOLS_DIR/cmdline-tools-temp"
    mv "$TOOLS_DIR/cmdline-tools-temp/cmdline-tools/"* "$ANDROID_SDK_ROOT/cmdline-tools/latest/"
    rm -rf "$TOOLS_DIR/cmdline-tools-temp" "$TOOLS_DIR/cmdline-tools.zip"
fi

export ANDROID_HOME="$ANDROID_SDK_ROOT"
export PATH="$ANDROID_SDK_ROOT/cmdline-tools/latest/bin:$PATH"

echo "Accepting Android Licenses..."
yes | sdkmanager --licenses > /dev/null 2>&1 || true

echo "Installing Android Platform Tools & SDK..."
sdkmanager "platform-tools" "platforms;android-$ANDROID_COMPILE_SDK" "build-tools;$ANDROID_BUILD_TOOLS" > /dev/null

# 3. Setup Garmin Connect IQ SDK
if [ ! -d "$CIQ_SDK_ROOT" ]; then
    echo "Downloading Garmin Connect IQ SDK..."
    wget -q -O "$TOOLS_DIR/ciq-sdk.zip" "$CIQ_SDK_URL"
    mkdir -p "$CIQ_SDK_ROOT"
    unzip -q "$TOOLS_DIR/ciq-sdk.zip" -d "$CIQ_SDK_ROOT"
    rm "$TOOLS_DIR/ciq-sdk.zip"
fi

# 4. Copy CIQ Lib to Android Project
# Note: The SDK download might not contain the mobile lib jar directly in root. 
# It's usually a separate download "Connect IQ Mobile SDK".
# For automation, we might skip this if the user hasn't provided it, OR we download the mobile sdk too.
# Let's try to download the Mobile SDK specifically for the JAR.
MOBILE_SDK_URL="https://github.com/garmin/connectiq-mobile-sdk-android/releases/download/v1.5/connectiq-mobile-sdk-android-1.5.zip"
# Note: GitHub URL is hypothetical/example. Garmin hosts them on their site behind login sometimes or direct links.
# Actually, the JAR is often inside the main SDK or separately.
# The user instruction in README says "Download manually". We will warn if missing.

if [ ! -f "android-app/app/libs/connectiq.jar" ]; then
    echo "WARNING: connectiq.jar not found in android-app/app/libs/."
    echo "Please download the Connect IQ Mobile SDK for Android and copy connectiq.jar there."
    echo "Skipping Android Build."
else
    echo "Building Android App..."
    cd android-app
    chmod +x gradlew
    ./gradlew assembleDebug
    cd ..
    echo "Android APK built: android-app/app/build/outputs/apk/debug/app-debug.apk"
fi

# 5. Build Garmin App
echo "Building Garmin App..."
MONKEYC="$CIQ_SDK_ROOT/bin/monkeyc"
MONKEYDO="$CIQ_SDK_ROOT/bin/monkeydo"

# Generate Developer Key if missing
DEV_KEY="$TOOLS_DIR/developer_key.der"
if [ ! -f "$DEV_KEY" ]; then
    echo "Generating Developer Key..."
    openssl genrsa -out "$TOOLS_DIR/developer_key.pem" 4096
    openssl pkcs8 -topk8 -inform PEM -outform DER -in "$TOOLS_DIR/developer_key.pem" -out "$DEV_KEY" -nocrypt
fi

# Build
"$MONKEYC" \
    -o "garmin-app/bin/foto_companion.prg" \
    -f "garmin-app/monkey.jungle" \
    -y "$DEV_KEY" \
    -d "$CIQ_DEVICE" \
    -w

echo "Garmin App built: garmin-app/bin/foto_companion.prg"

echo "=== Done ==="