package com.xuqm.sdk.bugcollect

import com.xuqm.sdk.XuqmSDK

object BugCollect {

    private var logLevel: LogLevel = LogLevel.WARN
    private var environment: String = "production"
    @Volatile private var queue: LogQueue? = null
    @Volatile private var crashCaptureStarted = false

    fun setLogLevel(level: LogLevel) { logLevel = level }
    fun setEnvironment(env: String) { environment = env }

    fun event(name: String, properties: Map<String, Any?> = emptyMap()) {
        if (!isReady()) return
        queue().push(LogEvent(
            name = name, properties = properties,
            appKey = XuqmSDK.appKey, userId = XuqmSDK.getUserId(),
            platform = "android", appVersion = appVersion(), environment = environment,
        ))
        FunnelTracker.track(name, properties)
    }

    fun captureError(error: Throwable, metadata: Map<String, Any?> = emptyMap()) {
        if (!isReady()) return
        queue().push(IssueEvent(
            type = "android_error",
            message = error.message ?: error.javaClass.name,
            stack = error.stackTraceToString(),
            fingerprint = Fingerprint.compute("error", error.message ?: "", error.stackTraceToString()),
            appKey = XuqmSDK.appKey, userId = XuqmSDK.getUserId(),
            platform = "android", appVersion = appVersion(),
            metadata = metadata, environment = environment,
        ))
    }

    fun warn(message: String, metadata: Map<String, Any?> = emptyMap()) {
        if (logLevel.ordinal > LogLevel.WARN.ordinal) return
        captureError(Exception(message), metadata + ("level" to "warn"))
    }

    fun info(message: String, metadata: Map<String, Any?> = emptyMap()) {
        if (logLevel.ordinal > LogLevel.INFO.ordinal) return
        event("__log_info", metadata + ("message" to message))
    }

    fun startCrashCapture() {
        if (crashCaptureStarted) return
        val bugCollectApiUrl = XuqmSDK.bugCollectApiUrl ?: return
        crashCaptureStarted = true
        CrashCapture.start(
            logApiUrl = bugCollectApiUrl,
            appKey = XuqmSDK.appKey,
            getUserId = { XuqmSDK.getUserId() },
        )
        queue().uploadPendingCrashes()
    }

    fun defineFunnel(id: String, steps: List<String>) {
        FunnelTracker.define(id, steps)
    }

    private fun isReady() = XuqmSDK.isInitialized() && XuqmSDK.bugCollectEnabled

    private fun queue(): LogQueue {
        return queue ?: synchronized(this) {
            queue ?: LogQueue(
                logApiUrl = XuqmSDK.bugCollectApiUrl ?: "",
                appKey = XuqmSDK.appKey,
                appContext = XuqmSDK.appContext,
            ).also { queue = it }
        }
    }

    private fun appVersion(): String = runCatching {
        val ctx = XuqmSDK.appContext
        ctx.packageManager.getPackageInfo(ctx.packageName, 0).versionName ?: "unknown"
    }.getOrDefault("unknown")
}