package com.nova.brain.glass.ui

import android.content.Intent
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import androidx.lifecycle.ViewModelProvider
import com.nova.brain.glass.R
import com.nova.brain.glass.databinding.ActivityWelcomeBinding
import com.nova.brain.glass.helper.IntentRecognizeHelper
import com.nova.brain.glass.helper.OfflineCmdListener
import com.nova.brain.glass.helper.OfflineCmdServiceHelper
import com.nova.brain.glass.viewmodel.WelcomeVM
import com.xuqm.base.ui.BaseActivity

class WelcomeActivity : BaseActivity<ActivityWelcomeBinding>() {

    override fun getLayoutId(): Int = R.layout.activity_welcome
    override fun fullscreen(): Boolean = true

    private lateinit var vm: WelcomeVM

    // 点动画
    private val tvOriginalText = "您可以说：Nova，我的任务有哪些？"
    private val dotsHandler = Handler(Looper.getMainLooper())
    private var dotCount = 0
    private val dotsRunnable = object : Runnable {
        override fun run() {
            dotCount = (dotCount % 3) + 1
            binding.tv.text = "正在识别中${"·".repeat(dotCount)}"
            dotsHandler.postDelayed(this, 500)
        }
    }

    private fun startDotsAnim() {
        dotCount = 0
        dotsHandler.removeCallbacks(dotsRunnable)
        dotsHandler.post(dotsRunnable)
    }

    private fun stopDotsAnim() {
        dotsHandler.removeCallbacks(dotsRunnable)
        binding.tv.text = tvOriginalText
    }

    override fun initView(savedInstanceState: Bundle?) {
        super.initView(savedInstanceState)
        vm = ViewModelProvider(this)[WelcomeVM::class.java]
        window.addFlags(android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
        binding.tv.setOnClickListener {
            triggerRecognize()
        }
    }

    override fun initData() {
        super.initData()
    }

    private fun triggerRecognize() {
        startDotsAnim()
        IntentRecognizeHelper.recognize(
            context = this,
            text = "当前阶段，最紧急的任务是什么？",
            onSuccess = { action ->
                if (action.name == "goToDecisionCenter") {
                    startActivity(
                        Intent(this, ChatActivity::class.java)
                            .putExtra("question", action.params.question)
                    )
                }
            },
            onComplete = {
                stopDotsAnim()
            }
        )
    }

    private val offlineCmdListener = object : OfflineCmdListener {
        override fun onOfflineCmd(cmd: String) {
            runOnUiThread {
                when (cmd) {
                    "任务列表", "查看任务", "查看任务列表" -> {
                        startActivity(Intent(this@WelcomeActivity, TaskListActivity::class.java))
                    }
                    "决策中心", "紧急任务", "当前任务" -> {
                        triggerRecognize()
                    }
                }
            }
        }
    }

    override fun onResume() {
        super.onResume()
        OfflineCmdServiceHelper.addOnLineListener(offlineCmdListener)
        OfflineCmdServiceHelper.addListenerWelcome()
        stopDotsAnim()  // 从 ChatActivity 返回时恢复原文
    }

    override fun onPause() {
        super.onPause()
        OfflineCmdServiceHelper.removeOnLineListener(offlineCmdListener)
        OfflineCmdServiceHelper.removeListenerWelcome()
        dotsHandler.removeCallbacks(dotsRunnable)
    }

    override fun onDestroy() {
        super.onDestroy()
        window.clearFlags(android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
    }
}