package com.android.settings.spa.app.appinfo

import android.content.pm.ApplicationInfo
import android.content.pm.GosPackageState
import android.content.pm.GosPackageStateFlag
import androidx.compose.runtime.Composable
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.stringResource
import com.android.settings.R
import com.android.settings.applications.AswExploitProtectionFragment
import com.android.settingslib.spa.widget.preference.SwitchPreference
import com.android.settingslib.spa.widget.preference.SwitchPreferenceModel
import com.android.settingslib.spaprivileged.model.app.installed
import com.android.settingslib.spaprivileged.model.app.userId

@Composable
fun AppExploitProtectionCompatModeSwitchPreference(app: ApplicationInfo,
                                                   packageInfoPresenter: PackageInfoPresenter) {
    if (app.isSystemApp || !app.installed) {
        return
    }

    val context = LocalContext.current
    val pkgName = app.packageName
    val userId = app.userId
    val psFlag = GosPackageStateFlag.ENABLE_EXPLOIT_PROTECTION_COMPAT_MODE

    SwitchPreference(object : SwitchPreferenceModel {
        override val title = stringResource(R.string.aep_compat_mode_title)
        override val summary = {
            context.getString(R.string.aep_compat_mode_summary)
        }

        override val checked = {
            GosPackageState.get(pkgName, userId).hasFlag(psFlag)
        }

        override val onCheckedChange = { newChecked: Boolean ->
            val action = Runnable {
                GosPackageState.edit(pkgName, userId).run {
                    setFlagState(psFlag, newChecked)
                    killUidAfterApply()
                    if (apply()) {
                        // needed to recompose other exploit protection settings
                        check(packageInfoPresenter.manualRefreshFlow.tryEmit(Any()))
                    }
                }
            }

            if (newChecked) {
                val d = AswExploitProtectionFragment.getExploitProtectionWarningOnDisable(context, action)
                d.show()
            } else {
                action.run()
            }
            Unit
        }
    })
}