package com.stand.standapp

import android.os.Bundle
import android.view.KeyEvent
import android.view.ViewGroup
import android.widget.LinearLayout
import android.util.Log
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.just.agentweb.AgentWeb
import com.stand.standapp.R

class MainActivity : AppCompatActivity() {

    private var mAgentWeb: AgentWeb? = null
    private val mHandler = android.os.Handler(android.os.Looper.getMainLooper())
    private val TIMEOUT_MS = 30000L

    private val timeoutRunnable = Runnable {
        showErrorPage()
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        try {
            setContentView(R.layout.activity_main)

            val container = findViewById<LinearLayout>(R.id.container)
            if (container == null) return

            findViewById<android.widget.Button>(R.id.btn_retry)?.setOnClickListener {
                hideErrorPage()
                mAgentWeb?.webCreator?.webView?.reload()
                startTimeoutTimer()
            }

            // 从配置中获取服务器地址
            val serverUrl = AppConfig.getServerUrl(this)
            val finalUrl = "$serverUrl/example/print_demo.html?t=${System.currentTimeMillis()}"
            Log.d("MainActivity", "Loading URL: $finalUrl")

            mAgentWeb = AgentWeb.with(this)
                .setAgentWebParent(container, LinearLayout.LayoutParams(-1, -1))
                .useDefaultIndicator()
                .addJavascriptInterface("android", AndroidInterface(this))
                .createAgentWeb()
                .ready()
                .go(finalUrl)

            startTimeoutTimer()

            // 配置 WebView 属性以支持 SSE 和跨域

            mAgentWeb?.let { agent ->
                try {
                    val webView = agent.webCreator.webView
                    val settings = webView.settings
                    // 允许混合内容 (HTTP/HTTPS)
                    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
                        settings.mixedContentMode = android.webkit.WebSettings.MIXED_CONTENT_ALWAYS_ALLOW
                    }
                    // 允许跨域和存储
                    settings.allowUniversalAccessFromFileURLs = true
                    settings.allowFileAccessFromFileURLs = true
                    settings.domStorageEnabled = true
                    settings.javaScriptEnabled = true
                } catch (e: Exception) {
                    Log.e("MainActivity", "WebView settings error: ${e.message}")
                }
            }
//                .go("http://152.32.186.199/local/print_demo.html")

            // 启动时检查更新
            UpdateManager(this).checkUpdate()

        } catch (e: Exception) {
            Log.e("MainActivity", "Fatal Crash: ${e.message}")
            e.printStackTrace()
        }
    }

    fun getAgentWeb(): AgentWeb? {
        return mAgentWeb
    }

    fun showExitDialog() {
        // 调用 JS 函数
        mAgentWeb?.jsAccessEntrace?.quickCallJs("addExitText")

        androidx.appcompat.app.AlertDialog.Builder(this)
            .setTitle("提示")
            .setMessage("确定要退出应用吗？")
            .setPositiveButton("确定") { _, _ -> finish() }
            .setNegativeButton("取消", null)
            .show()
    }

    override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
        if (mAgentWeb?.handleKeyEvent(keyCode, event) == true) {
            return true
        }
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            showExitDialog()
            return true
        }
        return super.onKeyDown(keyCode, event)
    }

    override fun onPause() {
        mAgentWeb?.webLifeCycle?.onPause()
        super.onPause()
    }

    override fun onResume() {
        mAgentWeb?.webLifeCycle?.onResume()
        super.onResume()
    }

    override fun onDestroy() {
        mAgentWeb?.webLifeCycle?.onDestroy()
        cancelTimeoutTimer()
        super.onDestroy()
    }

    private fun startTimeoutTimer() {
        cancelTimeoutTimer()
        mHandler.postDelayed(timeoutRunnable, TIMEOUT_MS)
    }

    fun cancelTimeoutTimer() {
        mHandler.removeCallbacks(timeoutRunnable)
    }

    private fun showErrorPage() {
        findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.GONE
        findViewById<android.view.View>(R.id.error_layout)?.visibility = android.view.View.VISIBLE
    }

    private fun hideErrorPage() {
        findViewById<android.view.View>(R.id.error_layout)?.visibility = android.view.View.GONE
        findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.VISIBLE
    }
}