plugins {
    id("com.android.application") version "9.2.0" apply false
    id("org.jetbrains.kotlin.android") version "2.2.10" apply false
    id("com.google.devtools.ksp") version "2.3.2" apply false
    id("org.jetbrains.kotlin.plugin.compose") version "2.2.10" apply false

    id("com.google.protobuf") version "0.9.6" apply false
}

tasks.register("clean", Delete::class) {
    delete(rootProject.layout.buildDirectory)
}

/**
 * Resolves a Python 3 interpreter command for the current platform. Windows usually exposes
 * Python as `python` (or the `py -3` launcher) rather than `python3`, so a hardcoded
 * `python3` fails there. Each candidate is verified to actually be Python 3 before use.
 * NOTE: intentionally duplicated in app/build.gradle.kts (this project has no buildSrc).
 */
fun resolvePython3Command(): List<String> {
    val isWindows = System.getProperty("os.name").lowercase().contains("windows")
    val candidates: List<List<String>> = if (isWindows) {
        listOf(listOf("python3"), listOf("python"), listOf("py", "-3"))
    } else {
        listOf(listOf("python3"), listOf("python"))
    }
    for (candidate in candidates) {
        try {
            val probe = ProcessBuilder(candidate + "--version").redirectErrorStream(true).start()
            val output = probe.inputStream.bufferedReader().readText()
            if (probe.waitFor() == 0 && output.contains("Python 3")) {
                return candidate
            }
        } catch (_: Exception) {
            // Candidate unavailable; try the next one.
        }
    }
    return listOf("python3")
}

tasks.register<Exec>("checkUiDesignSystem") {
    group = "verification"
    description = "Checks Compose UI files against the DruksCode design-system debt baseline."
    workingDir = rootDir
    commandLine(
        resolvePython3Command() + listOf(
            ".github/scripts/audit_ui_design_system.py",
            "--enforce-baseline",
            "--allowlist",
            ".github/scripts/ui_design_allowlist.txt",
            "--top",
            "12"
        )
    )
}