import groovy.json.JsonBuilder

import java.nio.charset.StandardCharsets
import java.nio.file.Files
import java.nio.file.Paths
import java.nio.file.Path

class AnalyticsCollector{

    private final String analyticsFilePath
    private boolean hasUseKotlinPropertyInApp = false
    private boolean hasKotlinRuntimeClasses = false

    private AnalyticsCollector(String analyticsFilePath){
        this.analyticsFilePath = analyticsFilePath
    }

    static AnalyticsCollector withOutputPath(String analyticsFilePath){
        return new AnalyticsCollector(analyticsFilePath)
    }

    void markUseKotlinPropertyInApp(boolean useKotlin) {
        hasUseKotlinPropertyInApp = useKotlin
    }

    void writeAnalyticsFile() {
        def jsonBuilder = new JsonBuilder()
        def kotlinUsageData = new Object()
        kotlinUsageData.metaClass.hasUseKotlinPropertyInApp = hasUseKotlinPropertyInApp
        kotlinUsageData.metaClass.hasKotlinRuntimeClasses = hasKotlinRuntimeClasses
        jsonBuilder(kotlinUsage: kotlinUsageData)
        def prettyJson = jsonBuilder.toPrettyString()



        Path statisticsFilePath = Paths.get(analyticsFilePath)

        if (Files.notExists(statisticsFilePath)) {
            Files.createDirectories(statisticsFilePath.getParent())
            Files.createFile(statisticsFilePath)
        }

        Files.write(statisticsFilePath, prettyJson.getBytes(StandardCharsets.UTF_8))

    }
}

ext.AnalyticsCollector = AnalyticsCollector