package info.nightscout.androidaps.setupwizard

import android.Manifest
import android.content.Context
import android.content.Intent
import android.net.Uri
import android.provider.Settings
import androidx.appcompat.app.AppCompatActivity
import dagger.android.HasAndroidInjector
import info.nightscout.androidaps.Constants
import info.nightscout.androidaps.R
import info.nightscout.androidaps.data.ProfileSealed
import info.nightscout.androidaps.dialogs.ProfileSwitchDialog
import info.nightscout.androidaps.events.EventPumpStatusChanged
import info.nightscout.androidaps.interfaces.*
import info.nightscout.androidaps.plugins.aps.loop.LoopPlugin
import info.nightscout.androidaps.plugins.bus.RxBus
import info.nightscout.androidaps.plugins.constraints.objectives.ObjectivesFragment
import info.nightscout.androidaps.plugins.constraints.objectives.ObjectivesPlugin
import info.nightscout.androidaps.plugins.general.nsclient.NSClientPlugin
import info.nightscout.androidaps.plugins.general.nsclient.events.EventNSClientStatus
import info.nightscout.androidaps.plugins.profile.local.LocalProfileFragment
import info.nightscout.androidaps.plugins.profile.local.LocalProfilePlugin
import info.nightscout.androidaps.plugins.pump.common.events.EventRileyLinkDeviceStatusChange
import info.nightscout.androidaps.plugins.pump.omnipod.dash.OmnipodDashPumpPlugin
import info.nightscout.androidaps.plugins.pump.omnipod.eros.OmnipodErosPumpPlugin
import info.nightscout.androidaps.setupwizard.elements.*
import info.nightscout.androidaps.setupwizard.events.EventSWUpdate
import info.nightscout.androidaps.utils.AndroidPermission
import info.nightscout.androidaps.utils.CryptoUtil
import info.nightscout.androidaps.utils.HardLimits
import info.nightscout.androidaps.utils.extensions.isRunningTest
import info.nightscout.androidaps.utils.resources.ResourceHelper
import info.nightscout.shared.sharedPreferences.SP
import java.util.*
import javax.inject.Inject
import javax.inject.Singleton

@Singleton
class SWDefinition @Inject constructor(
    injector: HasAndroidInjector,
    private val rxBus: RxBus,
    private val context: Context,
    rh: ResourceHelper,
    private val sp: SP,
    private val profileFunction: ProfileFunction,
    private val localProfilePlugin: LocalProfilePlugin,
    private val activePlugin: ActivePlugin,
    private val commandQueue: CommandQueue,
    private val objectivesPlugin: ObjectivesPlugin,
    private val configBuilder: ConfigBuilder,
    private val loopPlugin: LoopPlugin,
    private val nsClientPlugin: NSClientPlugin,
    private val importExportPrefs: ImportExportPrefs,
    private val androidPermission: AndroidPermission,
    private val cryptoUtil: CryptoUtil,
    private val config: Config,
    private val hardLimits: HardLimits
) {

    lateinit var activity: AppCompatActivity
    private val screens: MutableList<SWScreen> = ArrayList()

    fun getScreens(): List<SWScreen> {
        return screens
    }

    private fun add(newScreen: SWScreen?): SWDefinition {
        if (newScreen != null) screens.add(newScreen)
        return this
    }

    private val screenSetupWizard = SWScreen(injector, R.string.nav_setupwizard)
        .add(SWInfoText(injector)
            .label(R.string.welcometosetupwizard))
    private val screenEula = SWScreen(injector, R.string.end_user_license_agreement)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.end_user_license_agreement_text))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.end_user_license_agreement_i_understand)
            .visibility { !sp.getBoolean(R.string.key_i_understand, false) }
            .action {
                sp.putBoolean(R.string.key_i_understand, true)
                rxBus.send(EventSWUpdate(false))
            })
        .visibility { !sp.getBoolean(R.string.key_i_understand, false) }
        .validator { sp.getBoolean(R.string.key_i_understand, false) }
    private val screenUnits = SWScreen(injector, R.string.units)
        .skippable(false)
        .add(SWRadioButton(injector)
            .option(R.array.unitsArray, R.array.unitsValues)
            .preferenceId(R.string.key_units).label(R.string.units)
            .comment(R.string.setupwizard_units_prompt))
        .validator { sp.contains(R.string.key_units) }
    private val displaySettings = SWScreen(injector, R.string.wear_display_settings)
        .skippable(false)
        .add(SWEditNumberWithUnits(injector, Constants.LOWMARK * Constants.MGDL_TO_MMOLL, 3.0, 8.0)
            .preferenceId(R.string.key_low_mark)
            .updateDelay(5)
            .label(R.string.low_mark)
            .comment(R.string.low_mark_comment))
        .add(SWBreak(injector))
        .add(SWEditNumberWithUnits(injector, Constants.HIGHMARK * Constants.MGDL_TO_MMOLL, 5.0, 20.0)
            .preferenceId(R.string.key_high_mark)
            .updateDelay(5)
            .label(R.string.high_mark)
            .comment(R.string.high_mark_comment))
    private val screenPermissionWindow = SWScreen(injector, R.string.permission)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(rh.gs(R.string.needsystemwindowpermission)))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.askforpermission)
            .visibility { !Settings.canDrawOverlays(activity) }
            .action { activity.startActivity(Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:" + activity.packageName))) })
        .visibility { !Settings.canDrawOverlays(activity) }
        .validator { Settings.canDrawOverlays(activity) }
    private val screenPermissionBattery = SWScreen(injector, R.string.permission)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(rh.gs(R.string.needwhitelisting, rh.gs(R.string.app_name))))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.askforpermission)
            .visibility { androidPermission.permissionNotGranted(context, Manifest.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS) }
            .action { androidPermission.askForPermission(activity, Manifest.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS) })
        .visibility { androidPermission.permissionNotGranted(activity, Manifest.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS) }
        .validator { !androidPermission.permissionNotGranted(activity, Manifest.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS) }
    private val screenPermissionBt = SWScreen(injector, R.string.permission)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(rh.gs(R.string.needlocationpermission)))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.askforpermission)
            .visibility { androidPermission.permissionNotGranted(activity, Manifest.permission.ACCESS_FINE_LOCATION) }
            .action { androidPermission.askForPermission(activity, Manifest.permission.ACCESS_FINE_LOCATION) })
        .visibility { androidPermission.permissionNotGranted(activity, Manifest.permission.ACCESS_FINE_LOCATION) }
        .validator { !androidPermission.permissionNotGranted(activity, Manifest.permission.ACCESS_FINE_LOCATION) }
    private val screenPermissionStore = SWScreen(injector, R.string.permission)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(rh.gs(R.string.needstoragepermission)))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.askforpermission)
            .visibility { androidPermission.permissionNotGranted(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) }
            .action { androidPermission.askForPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) })
        .visibility { androidPermission.permissionNotGranted(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) }
        .validator { !androidPermission.permissionNotGranted(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) }
    private val screenImport = SWScreen(injector, R.string.nav_import)
        .add(SWInfoText(injector)
            .label(R.string.storedsettingsfound))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.nav_import)
            .action { importExportPrefs.importSharedPreferences(activity) })
        .visibility { importExportPrefs.prefsFileExists() && !androidPermission.permissionNotGranted(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) }
    private val screenNsClient = SWScreen(injector, R.string.nsclientinternal_title)
        .skippable(true)
        .add(SWInfoText(injector)
            .label(R.string.nsclientinfotext))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.enable_nsclient)
            .action {
                configBuilder.performPluginSwitch(nsClientPlugin, true, PluginType.GENERAL)
                rxBus.send(EventSWUpdate(true))
            }
            .visibility { !nsClientPlugin.isEnabled() })
        .add(SWEditUrl(injector)
            .preferenceId(R.string.key_nsclientinternal_url)
            .updateDelay(5)
            .label(R.string.nsclientinternal_url_title)
            .comment(R.string.nsclientinternal_url_dialogmessage))
        .add(SWEditString(injector)
            .validator { text: String -> text.length >= 12 }
            .preferenceId(R.string.key_nsclientinternal_api_secret)
            .updateDelay(5)
            .label(R.string.nsclientinternal_secret_dialogtitle)
            .comment(R.string.nsclientinternal_secret_dialogmessage))
        .add(SWBreak(injector))
        .add(SWEventListener(injector, EventNSClientStatus::class.java)
            .label(R.string.status)
            .initialStatus(nsClientPlugin.status)
        )
        .validator { nsClientPlugin.nsClientService?.isConnected == true && nsClientPlugin.nsClientService?.hasWriteAuth == true }
        .visibility { !(nsClientPlugin.nsClientService?.isConnected == true && nsClientPlugin.nsClientService?.hasWriteAuth == true) }
    private val screenPatientName = SWScreen(injector, R.string.patient_name)
        .skippable(true)
        .add(SWInfoText(injector)
            .label(R.string.patient_name_summary))
        .add(SWEditString(injector)
            .validator(SWTextValidator(String::isNotEmpty))
            .preferenceId(R.string.key_patient_name))
    private val privacy = SWScreen(injector, R.string.privacy_settings)
        .skippable(true)
        .add(SWInfoText(injector)
            .label(R.string.privacy_summary))
        .add(SWPreference(injector, this)
            .option(R.xml.pref_datachoices)
        )
    private val screenMasterPassword = SWScreen(injector, R.string.master_password)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.master_password))
        .add(SWEditEncryptedPassword(injector, cryptoUtil)
            .preferenceId(R.string.key_master_password))
        .add(SWBreak(injector))
        .add(SWInfoText(injector)
            .label(R.string.master_password_summary))
        .validator { !cryptoUtil.checkPassword("", sp.getString(R.string.key_master_password, "")) }
    private val screenAge = SWScreen(injector, R.string.patientage)
        .skippable(false)
        .add(SWBreak(injector))
        .add(SWRadioButton(injector)
            .option(R.array.ageArray, R.array.ageValues)
            .preferenceId(R.string.key_age)
            .label(R.string.patientage)
            .comment(R.string.patientage_summary))
        .add(SWBreak(injector))
        .add(SWEditNumber(injector, 3.0, 0.1, 25.0)
            .preferenceId(R.string.key_treatmentssafety_maxbolus)
            .updateDelay(5)
            .label(R.string.treatmentssafety_maxbolus_title)
            .comment(R.string.common_values))
        .add(SWEditIntNumber(injector, 48, 1, 100)
            .preferenceId(R.string.key_treatmentssafety_maxcarbs)
            .updateDelay(5)
            .label(R.string.treatmentssafety_maxcarbs_title)
            .comment(R.string.common_values))
        .validator {
            sp.contains(R.string.key_age)
                && sp.getDouble(R.string.key_treatmentssafety_maxbolus, 0.0) > 0
                && sp.getInt(R.string.key_treatmentssafety_maxcarbs, 0) > 0
        }
    private val screenInsulin = SWScreen(injector, R.string.configbuilder_insulin)
        .skippable(false)
        .add(SWPlugin(injector, this)
            .option(PluginType.INSULIN, R.string.configbuilder_insulin_description)
            .makeVisible(false)
            .label(R.string.configbuilder_insulin))
        .add(SWBreak(injector))
        .add(SWInfoText(injector)
            .label(R.string.diawarning))
    private val screenBgSource = SWScreen(injector, R.string.configbuilder_bgsource)
        .skippable(false)
        .add(SWPlugin(injector, this)
            .option(PluginType.BGSOURCE, R.string.configbuilder_bgsource_description)
            .label(R.string.configbuilder_bgsource))
        .add(SWBreak(injector))
    private val screenLocalProfile = SWScreen(injector, R.string.localprofile)
        .skippable(false)
        .add(SWFragment(injector, this)
            .add(LocalProfileFragment()))
        .validator {
            localProfilePlugin.profile?.getDefaultProfile()?.let { ProfileSealed.Pure(it).isValid("StartupWizard", activePlugin.activePump, config, rh, rxBus, hardLimits, false).isValid }
                ?: false
        }
        .visibility { localProfilePlugin.isEnabled() }
    private val screenProfileSwitch = SWScreen(injector, R.string.careportal_profileswitch)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.profileswitch_ismissing))
        .add(SWButton(injector)
            .text(R.string.doprofileswitch)
            .action { ProfileSwitchDialog().show(activity.supportFragmentManager, "ProfileSwitchDialog") })
        .validator { profileFunction.getProfile() != null }
        .visibility { profileFunction.getProfile() == null }
    private val screenPump = SWScreen(injector, R.string.configbuilder_pump)
        .skippable(false)
        .add(SWPlugin(injector, this)
            .option(PluginType.PUMP, R.string.configbuilder_pump_description)
            .label(R.string.configbuilder_pump))
        .add(SWBreak(injector))
        .add(SWInfoText(injector)
            .label(R.string.setupwizard_pump_pump_not_initialized)
            .visibility { !isPumpInitialized() })
        .add( // Omnipod Eros only
            SWInfoText(injector)
                .label(R.string.setupwizard_pump_waiting_for_riley_link_connection)
                .visibility {
                    val activePump = activePlugin.activePump
                    activePump is OmnipodErosPumpPlugin && !activePump.isRileyLinkReady
                })
        .add( // Omnipod Eros only
            SWEventListener(injector, EventRileyLinkDeviceStatusChange::class.java)
                .label(R.string.setupwizard_pump_riley_link_status)
                .visibility { activePlugin.activePump is OmnipodErosPumpPlugin })
        .add(SWButton(injector)
            .text(R.string.readstatus)
            .action { commandQueue.readStatus(rh.gs(R.string.clicked_connect_to_pump), null) }
            .visibility {
                // Hide for Omnipod, because as we don't require a Pod to be paired in the setup wizard,
                // Getting the status might not be possible
                activePlugin.activePump !is OmnipodErosPumpPlugin && activePlugin.activePump !is OmnipodDashPumpPlugin
            })
        .add(SWEventListener(injector, EventPumpStatusChanged::class.java)
            .visibility { activePlugin.activePump !is OmnipodErosPumpPlugin && activePlugin.activePump !is OmnipodDashPumpPlugin })
        .validator { isPumpInitialized() }

    private fun isPumpInitialized(): Boolean {
        val activePump = activePlugin.activePump

        // For Omnipod, activating a Pod can be done after setup through the Omnipod fragment
        // For the Eros model, consider the pump initialized when a RL has been configured successfully
        // For Dash model, consider the pump setup without any extra conditions
        return activePump.isInitialized()
            || (activePump is OmnipodErosPumpPlugin && activePump.isRileyLinkReady)
            || activePump is OmnipodDashPumpPlugin
    }

    private val screenAps = SWScreen(injector, R.string.configbuilder_aps)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.setupwizard_aps_description))
        .add(SWBreak(injector))
        .add(SWPlugin(injector, this)
            .option(PluginType.APS, R.string.configbuilder_aps_description)
            .label(R.string.configbuilder_aps))
        .add(SWBreak(injector))
        .add(SWHtmlLink(injector)
            .label("https://openaps.readthedocs.io/en/latest/"))
        .add(SWBreak(injector))
    private val screenApsMode = SWScreen(injector, R.string.apsmode_title)
        .skippable(false)
        .add(SWRadioButton(injector)
            .option(R.array.aps_modeArray, R.array.aps_modeValues)
            .preferenceId(R.string.key_aps_mode).label(R.string.apsmode_title)
            .comment(R.string.setupwizard_preferred_aps_mode))
        .validator { sp.contains(R.string.key_aps_mode) }
    private val screenLoop = SWScreen(injector, R.string.configbuilder_loop)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.setupwizard_loop_description))
        .add(SWBreak(injector))
        .add(SWButton(injector)
            .text(R.string.enableloop)
            .action {
                configBuilder.performPluginSwitch(loopPlugin, true, PluginType.LOOP)
                rxBus.send(EventSWUpdate(true))
            }
            .visibility { !loopPlugin.isEnabled() })
        .validator { loopPlugin.isEnabled() }
        .visibility { !loopPlugin.isEnabled() && config.APS }
    private val screenSensitivity = SWScreen(injector, R.string.configbuilder_sensitivity)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.setupwizard_sensitivity_description))
        .add(SWHtmlLink(injector)
            .label(R.string.setupwizard_sensitivity_url))
        .add(SWBreak(injector))
        .add(SWPlugin(injector, this)
            .option(PluginType.SENSITIVITY, R.string.configbuilder_sensitivity_description)
            .label(R.string.configbuilder_sensitivity))
    private val getScreenObjectives = SWScreen(injector, R.string.objectives)
        .skippable(false)
        .add(SWInfoText(injector)
            .label(R.string.startobjective))
        .add(SWBreak(injector))
        .add(SWFragment(injector, this)
            .add(ObjectivesFragment()))
        .validator { objectivesPlugin.objectives[ObjectivesPlugin.FIRST_OBJECTIVE].isStarted }
        .visibility { !objectivesPlugin.objectives[ObjectivesPlugin.FIRST_OBJECTIVE].isStarted && config.APS }

    private fun swDefinitionFull() { // List all the screens here
        add(screenSetupWizard)
            //.add(screenLanguage)
            .add(screenEula)
            .add(if (isRunningTest()) null else screenPermissionBattery) // cannot mock ask battery optimization
            .add(screenPermissionWindow)
            .add(screenPermissionBt)
            .add(screenPermissionStore)
            .add(screenMasterPassword)
            .add(screenImport)
            .add(privacy)
            .add(screenUnits)
            .add(displaySettings)
            .add(screenNsClient)
            .add(screenPatientName)
            .add(screenAge)
            .add(screenInsulin)
            .add(screenBgSource)
            .add(screenLocalProfile)
            .add(screenProfileSwitch)
            .add(screenPump)
            .add(screenAps)
            .add(screenApsMode)
            .add(screenLoop)
            .add(screenSensitivity)
            .add(getScreenObjectives)
    }

    private fun swDefinitionPumpControl() { // List all the screens here
        add(screenSetupWizard)
            //.add(screenLanguage)
            .add(screenEula)
            .add(if (isRunningTest()) null else screenPermissionBattery) // cannot mock ask battery optimization
            .add(screenPermissionWindow)
            .add(screenPermissionBt)
            .add(screenPermissionStore)
            .add(screenMasterPassword)
            .add(screenImport)
            .add(screenUnits)
            .add(displaySettings)
            .add(screenNsClient)
            .add(screenPatientName)
            .add(screenAge)
            .add(screenInsulin)
            .add(screenBgSource)
            .add(screenLocalProfile)
            .add(screenProfileSwitch)
            .add(screenPump)
            .add(screenSensitivity)
    }

    private fun swDefinitionNSClient() { // List all the screens here
        add(screenSetupWizard)
            //.add(screenLanguage)
            .add(screenEula)
            .add(if (isRunningTest()) null else screenPermissionBattery) // cannot mock ask battery optimization
            .add(screenPermissionWindow)
            .add(screenPermissionStore)
            .add(screenMasterPassword)
            .add(screenImport)
            .add(screenUnits)
            .add(displaySettings)
            .add(screenNsClient)
            //.add(screenBgSource)
            .add(screenPatientName)
    }

    init {
        if (config.APS) swDefinitionFull() else if (config.PUMPCONTROL) swDefinitionPumpControl() else if (config.NSCLIENT) swDefinitionNSClient()
    }
}