plugins {
    id 'com.android.application'
    id 'com.chaquo.python'
}

def repoRoot = rootProject.projectDir.parentFile
def meshchatSourceDir = new File(repoRoot, "meshchatx")
def repositoryBundledWheelsDir = new File(meshchatSourceDir, "public/repository-server-bundled/bundled")
def chaquopyBuildPython = System.getenv("CHAQUOPY_BUILD_PYTHON")
def pythonTempDir = new File(buildDir, "python-tmp")
def vendorWheelDir = new File(rootProject.projectDir, "vendor")
def lxstPatchedWheel = new File(rootProject.projectDir, "vendor/lxst-0.4.6-py3-none-any.whl")
def allAndroidAbis = ["arm64-v8a", "x86_64", "armeabi-v7a"]
def selectedAndroidAbis = (
    project.findProperty("meshchatxAbis")
        ?: System.getenv("MESHCHATX_ABIS")
        ?: allAndroidAbis.join(",")
).split(",").collect { it.trim() }.findAll { it }

if (selectedAndroidAbis.isEmpty()) {
    throw new org.gradle.api.GradleException("No Android ABIs selected. Use -PmeshchatxAbis or MESHCHATX_ABIS.")
}
def invalidAndroidAbis = selectedAndroidAbis.findAll { !allAndroidAbis.contains(it) }
if (!invalidAndroidAbis.isEmpty()) {
    throw new org.gradle.api.GradleException("Unsupported ABIs: ${invalidAndroidAbis}. Supported: ${allAndroidAbis}")
}

def meshchatxAbiPackaging = (
    project.findProperty("meshchatxAbiPackaging")
        ?: System.getenv("MESHCHATX_ABI_PACKAGING")
        ?: "universal"
).toString().trim().toLowerCase()
if (meshchatxAbiPackaging != "universal" && meshchatxAbiPackaging != "split") {
    throw new org.gradle.api.GradleException(
        "meshchatxAbiPackaging must be 'universal' or 'split' (got '${meshchatxAbiPackaging}'). " +
            "Use -PmeshchatxAbiPackaging=... or MESHCHATX_ABI_PACKAGING."
    )
}
def enableAbiSplits = meshchatxAbiPackaging == "split" && selectedAndroidAbis.size() > 1

android {
    namespace 'com.meshchatx'
    compileSdk 35

    defaultConfig {
        applicationId "com.meshchatx"
        minSdk 24
        targetSdk 35
        versionCode 1
        versionName "3.1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        ndk {
            abiFilters(*selectedAndroidAbis as String[])
        }
    }

    splits {
        abi {
            enable enableAbiSplits
            reset()
            if (enableAbiSplits) {
                include(*selectedAndroidAbis as String[])
            }
            universalApk enableAbiSplits
        }
    }

    buildTypes {
        release {
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    packagingOptions {
        jniLibs {
            useLegacyPackaging = true
        }
    }

    lint {
        abortOnError true
        checkReleaseBuilds false
    }
}

tasks.register("fetchRepositoryBundledWheels", Exec) {
    workingDir = repoRoot
    def pyExe = (System.getenv("MESHCHATX_FETCH_PYTHON") ?: "python3")
    commandLine(pyExe, "scripts/build/fetch_repository_wheels.py")
    ignoreExitValue = false
    onlyIf {
        if (System.getenv("MESHCHATX_SKIP_REPOSITORY_WHEELS_FETCH") == "1") {
            return false
        }
        if (!repositoryBundledWheelsDir.isDirectory()) {
            return true
        }
        def names = repositoryBundledWheelsDir.list()
        return names == null || !names.any { it.endsWith(".whl") }
    }
}

tasks.register("syncMeshchatPython", Sync) {
    dependsOn("fetchRepositoryBundledWheels")
    if (!meshchatSourceDir.exists()) {
        throw new org.gradle.api.GradleException("Missing meshchatx source directory at ${meshchatSourceDir}")
    }
    doFirst {
        delete(
            file("$projectDir/src/main/python/meshchatx"),
            file("$projectDir/src/main/python/LXST"),
            file("$projectDir/src/main/python/LXMF"),
            file("$projectDir/src/main/python/RNS")
        )
    }
    from(meshchatSourceDir)
    includeEmptyDirs = false
    from(new File(repoRoot, "CHANGELOG.md"))
    into(file("$projectDir/src/main/python/meshchatx"))
}

tasks.configureEach { task ->
    if (task.name.toLowerCase().contains("merge") && task.name.toLowerCase().contains("pythonsources")) {
        task.dependsOn(tasks.named("syncMeshchatPython"))
    }
}

tasks.configureEach { task ->
    if (task.name.toLowerCase().contains("python")) {
        task.doFirst {
            if (!pythonTempDir.exists()) {
                pythonTempDir.mkdirs()
            }
            if (task.metaClass.respondsTo(task, "environment", String, Object)) {
                task.environment("TMPDIR", pythonTempDir.absolutePath)
                task.environment("TEMP", pythonTempDir.absolutePath)
                task.environment("TMP", pythonTempDir.absolutePath)
            }
        }
    }
}

chaquopy {
    defaultConfig {
        version "3.11"

        if (chaquopyBuildPython != null && !chaquopyBuildPython.trim().isEmpty()) {
            buildPython chaquopyBuildPython
        }

        pip {
            if (!vendorWheelDir.exists()) {
                throw new org.gradle.api.GradleException("Missing vendor wheel directory at ${vendorWheelDir}")
            }
            options "--find-links", vendorWheelDir.absolutePath
            install "packaging>=23"
            install "aiohttp==3.13.3"
            install "rns>=1.2.0"
            install "bleak==3.0.1"
            install "lxmf>=0.9.4"
            install "numpy==1.26.2"
            install "chaquopy-libcodec2==1.2.0"
            install "pycodec2==4.1.1"
            install "miniaudio==1.70"
            if (!lxstPatchedWheel.exists()) {
                throw new org.gradle.api.GradleException("Missing patched LXST wheel at ${lxstPatchedWheel}")
            }
            install lxstPatchedWheel.absolutePath
            install "psutil>=7.2.2"
            install "websockets>=16.0"
            install "bcrypt==3.1.7"
            install "aiohttp-session>=2.12.1,<3.0.0"
            install "cryptography==46.0.7"
            install "pycparser>=3.0"
            install "pyserial>=3.5"
            install "jaraco.context>=6.1.1"
            install "ply>=3.11,<4.0"
        }
    }
}

dependencies {
    implementation 'androidx.core:core:1.16.0'
    implementation 'com.squareup.okhttp3:okhttp:4.12.0'
    implementation 'androidx.appcompat:appcompat:1.7.1'
    implementation 'com.google.android.material:material:1.13.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.2.1'
    implementation 'androidx.webkit:webkit:1.14.0'
    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.8.7'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.2.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
}