#!/bin/bash
# RSSuper Android Build Script
# Native Android build using Gradle

set -e

# Configuration
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
ANDROID_PROJECT_DIR="$PROJECT_ROOT/native-route/android"

# Default values
VARIANT="${1:-debug}"
ACTION="${2:-assemble}"

# Show help
show_help() {
    echo "RSSuper Android Build Script"
    echo ""
    echo "Usage: $0 [VARIANT] [ACTION]"
    echo ""
    echo "Arguments:"
    echo "  VARIANT    Build variant (debug|release) [Default: debug]"
    echo "  ACTION     Gradle action (assemble|build|test|clean) [Default: assemble]"
    echo ""
    echo "Examples:"
    echo "  $0                          # Assemble debug APK"
    echo "  $0 release                  # Assemble release APK"
    echo "  $0 debug test              # Run tests"
    echo "  $0 clean                   # Clean build"
}

# Check prerequisites
check_prerequisites() {
    if [ ! -d "$ANDROID_PROJECT_DIR" ]; then
        echo "Error: Android project directory not found: $ANDROID_PROJECT_DIR"
        echo "Creating basic Android project structure..."
        create_android_project
        return 0
    fi
    
    if [ ! -f "$ANDROID_PROJECT_DIR/build.gradle.kts" ] && [ ! -f "$ANDROID_PROJECT_DIR/build.gradle" ]; then
        echo "Warning: No build.gradle found. Creating basic Android project..."
        create_android_project
    fi
    
    # Check for Java/JDK
    if ! command -v java &> /dev/null; then
        echo "Error: Java not found. Please install JDK 17."
        exit 1
    fi
    
    echo "Java version:"
    java -version
}

# Create basic Android project structure
create_android_project() {
    echo "Creating Android project structure..."
    
    mkdir -p "$ANDROID_PROJECT_DIR/app/src/main/java/com/mikefreno/rssuper"
    mkdir -p "$ANDROID_PROJECT_DIR/app/src/main/res/values"
    mkdir -p "$ANDROID_PROJECT_DIR/app/src/main/res/mipmap-hdpi"
    mkdir -p "$ANDROID_PROJECT_DIR/gradle/wrapper"
    
    # Root build.gradle.kts
    cat > "$ANDROID_PROJECT_DIR/build.gradle.kts" << 'EOF'
// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
    id("com.android.application") version "8.2.0" apply false
    id("org.jetbrains.kotlin.android") version "1.9.0" apply false
}

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

task<Delete>("clean") {
    delete(rootProject.buildDir)
}
EOF

    # settings.gradle.kts
    cat > "$ANDROID_PROJECT_DIR/settings.gradle.kts" << 'EOF'
pluginManagement {
    repositories {
        google()
        mavenCentral()
        gradlePluginPortal()
    }
}

dependencyResolutionManagement {
    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
    repositories {
        google()
        mavenCentral()
    }
}

rootProject.name = "RSSuper"
include(":app")
EOF

    # app/build.gradle.kts
    cat > "$ANDROID_PROJECT_DIR/app/build.gradle.kts" << 'EOF'
plugins {
    id("com.android.application")
    id("org.jetbrains.kotlin.android")
}

android {
    namespace = "com.mikefreno.rssuper"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.mikefreno.rssuper"
        minSdk = 24
        targetSdk = 34
        versionCode = 1
        versionName = "1.0"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            isMinifyEnabled = false
            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
        }
    }
    
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }
    
    kotlinOptions {
        jvmTarget = "17"
    }
}

dependencies {
    implementation("androidx.core:core-ktx:1.12.0")
    implementation("androidx.appcompat:appcompat:1.6.1")
    implementation("com.google.android.material:material:1.11.0")
    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
    
    // Navigation
    implementation("androidx.navigation:navigation-fragment-ktx:2.7.6")
    implementation("androidx.navigation:navigation-ui-ktx:2.7.6")
    
    // Lifecycle
    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0")
    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0")
    
    // Coroutines
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
    
    // Networking
    implementation("com.squareup.retrofit2:retrofit:2.9.0")
    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
    implementation("com.squareup.okhttp3:okhttp:4.12.0")
    
    // Room Database
    implementation("androidx.room:room-runtime:2.6.1")
    implementation("androidx.room:room-ktx:2.6.1")
    
    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.5")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
}
EOF

    # gradle.properties
    cat > "$ANDROID_PROJECT_DIR/gradle.properties" << 'EOF'
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
android.useAndroidX=true
kotlin.code.style=official
android.nonTransitiveRClass=true
EOF

    # gradle wrapper properties
    cat > "$ANDROID_PROJECT_DIR/gradle/wrapper/gradle-wrapper.properties" << 'EOF'
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
EOF

    # Main Activity
    cat > "$ANDROID_PROJECT_DIR/app/src/main/java/com/mikefreno/rssuper/MainActivity.kt" << 'EOF'
package com.mikefreno.rssuper

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
import com.mikefreno.rssuper.ui.theme.RSSuperTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            RSSuperTheme {
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background
                ) {
                    Greeting("Android")
                }
            }
        }
    }
}

@Composable
fun Greeting(name: String, modifier: Modifier = Modifier) {
    Text(
        text = "RSSuper - $name",
        modifier = modifier
    )
}

@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
    RSSuperTheme {
        Greeting("Android")
    }
}
EOF

    # Theme
    mkdir -p "$ANDROID_PROJECT_DIR/app/src/main/java/com/mikefreno/rssuper/ui/theme"
    cat > "$ANDROID_PROJECT_DIR/app/src/main/java/com/mikefreno/rssuper/ui/theme/Theme.kt" << 'EOF'
package com.mikefreno.rssuper.ui.theme

import android.app.Activity
import android.os.Build
import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.darkColorScheme
import androidx.compose.material3.dynamicDarkColorScheme
import androidx.compose.material3.dynamicLightColorScheme
import androidx.compose.material3.lightColorScheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.SideEffect
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.toArgb
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalView
import androidx.core.view.WindowCompat

private val DarkColorScheme = darkColorScheme(
    primary = Color(0xFF90CAF9),
    secondary = Color(0xFF81D4FA),
    tertiary = Color(0xFFA5D6A7)
)

private val LightColorScheme = lightColorScheme(
    primary = Color(0xFF1976D2),
    secondary = Color(0xFF03A9F4),
    tertiary = Color(0xFF4CAF50)
)

@Composable
fun RSSuperTheme(
    darkTheme: Boolean = isSystemInDarkTheme(),
    dynamicColor: Boolean = true,
    content: @Composable () -> Unit
) {
    val colorScheme = when {
        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
            val context = LocalContext.current
            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
        }
        darkTheme -> DarkColorScheme
        else -> LightColorScheme
    }
    
    val view = LocalView.current
    if (!view.isInEditMode) {
        SideEffect {
            val window = (view.context as Activity).window
            window.statusBarColor = colorScheme.primary.toArgb()
            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
        }
    }

    MaterialTheme(
        colorScheme = colorScheme,
        content = content
    )
}
EOF

    # AndroidManifest.xml
    cat > "$ANDROID_PROJECT_DIR/app/src/main/AndroidManifest.xml" << 'EOF'
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="RSSuper"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.RSSuper">
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:theme="@style/Theme.RSSuper">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>
EOF

    # styles.xml
    cat > "$ANDROID_PROJECT_DIR/app/src/main/res/values/styles.xml" << 'EOF'
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="Theme.RSSuper" parent="android:Theme.Material.Light.NoActionBar">
        <item name="android:statusBarColor">@android:color/transparent</item>
    </style>
</resources>
EOF

    # proguard-rules.pro
    cat > "$ANDROID_PROJECT_DIR/app/proguard-rules.pro" << 'EOF'
# Add project specific ProGuard rules here.
-keepattributes Signature
-keepattributes *Annotation*
-keepattributes RuntimeVisibleAnnotations
-keepattributes RuntimeInvisibleAnnotations
EOF

    # gradlew script
    cat > "$ANDROID_PROJECT_DIR/gradlew" << 'EOF'
#!/bin/bash
# Gradle wrapper placeholder
# In a real project, this would be generated by gradle wrapper
# For now, we'll use system gradle if available

if command -v gradle &> /dev/null; then
    exec gradle "$@"
else
    echo "Error: Gradle not found. Please install Gradle or use ./gradlew"
    exit 1
fi
EOF

    chmod +x "$ANDROID_PROJECT_DIR/gradlew"
    
    echo "Android project structure created!"
}

# Build the project
build_project() {
    echo "Building Android $VARIANT..."
    
    cd "$ANDROID_PROJECT_DIR"
    
    # Determine gradle task based on variant
    local TASK="${ACTION}${VARIANT}""
    if [ "$VARIANT" = "release" ]; then
        TASK="${ACTION}Release"
    fi
    
    echo "Running: ./gradlew $TASK"
    ./gradlew $TASK
}

# Run tests
run_tests() {
    echo "Running Android tests..."
    
    cd "$ANDROID_PROJECT_DIR"
    ./gradlew test
}

# Clean build
clean_build() {
    echo "Cleaning Android build..."
    
    cd "$ANDROID_PROJECT_DIR"
    ./gradlew clean
}

# Main
case "$ACTION" in
    clean)
        check_prerequisites
        clean_build
        ;;
    test)
        check_prerequisites
        run_tests
        ;;
    assemble|build|*)
        check_prerequisites
        build_project
        ;;
esac