// SPDX-FileCopyrightText: 2023 suyu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

package org.suyu.suyu_emu.features.settings.ui

import androidx.lifecycle.ViewModel
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import org.suyu.suyu_emu.R
import org.suyu.suyu_emu.SuyuApplication
import org.suyu.suyu_emu.features.settings.model.view.SettingsItem
import org.suyu.suyu_emu.model.Game
import org.suyu.suyu_emu.utils.InputHandler
import org.suyu.suyu_emu.utils.ParamPackage

class SettingsViewModel : ViewModel() {
    var game: Game? = null

    var clickedItem: SettingsItem? = null

    var currentDevice = 0

    val shouldRecreate: StateFlow<Boolean> get() = _shouldRecreate
    private val _shouldRecreate = MutableStateFlow(false)

    val shouldNavigateBack: StateFlow<Boolean> get() = _shouldNavigateBack
    private val _shouldNavigateBack = MutableStateFlow(false)

    val shouldShowResetSettingsDialog: StateFlow<Boolean> get() = _shouldShowResetSettingsDialog
    private val _shouldShowResetSettingsDialog = MutableStateFlow(false)

    val shouldReloadSettingsList: StateFlow<Boolean> get() = _shouldReloadSettingsList
    private val _shouldReloadSettingsList = MutableStateFlow(false)

    val sliderProgress: StateFlow<Int> get() = _sliderProgress
    private val _sliderProgress = MutableStateFlow(-1)

    val sliderTextValue: StateFlow<String> get() = _sliderTextValue
    private val _sliderTextValue = MutableStateFlow("")

    val adapterItemChanged: StateFlow<Int> get() = _adapterItemChanged
    private val _adapterItemChanged = MutableStateFlow(-1)

    private val _datasetChanged = MutableStateFlow(false)
    val datasetChanged = _datasetChanged.asStateFlow()

    private val _reloadListAndNotifyDataset = MutableStateFlow(false)
    val reloadListAndNotifyDataset = _reloadListAndNotifyDataset.asStateFlow()

    private val _shouldShowDeleteProfileDialog = MutableStateFlow("")
    val shouldShowDeleteProfileDialog = _shouldShowDeleteProfileDialog.asStateFlow()

    private val _shouldShowResetInputDialog = MutableStateFlow(false)
    val shouldShowResetInputDialog = _shouldShowResetInputDialog.asStateFlow()

    fun setShouldRecreate(value: Boolean) {
        _shouldRecreate.value = value
    }

    fun setShouldNavigateBack(value: Boolean) {
        _shouldNavigateBack.value = value
    }

    fun setShouldShowResetSettingsDialog(value: Boolean) {
        _shouldShowResetSettingsDialog.value = value
    }

    fun setShouldReloadSettingsList(value: Boolean) {
        _shouldReloadSettingsList.value = value
    }

    fun setSliderTextValue(value: Float, units: String) {
        _sliderProgress.value = value.toInt()
        _sliderTextValue.value = String.format(
            SuyuApplication.appContext.getString(R.string.value_with_units),
            value.toInt().toString(),
            units
        )
    }

    fun setSliderProgress(value: Float) {
        _sliderProgress.value = value.toInt()
    }

    fun setAdapterItemChanged(value: Int) {
        _adapterItemChanged.value = value
    }

    fun setDatasetChanged(value: Boolean) {
        _datasetChanged.value = value
    }

    fun setReloadListAndNotifyDataset(value: Boolean) {
        _reloadListAndNotifyDataset.value = value
    }

    fun setShouldShowDeleteProfileDialog(profile: String) {
        _shouldShowDeleteProfileDialog.value = profile
    }

    fun setShouldShowResetInputDialog(value: Boolean) {
        _shouldShowResetInputDialog.value = value
    }

    fun getCurrentDeviceParams(defaultParams: ParamPackage): ParamPackage =
        try {
            InputHandler.registeredControllers[currentDevice]
        } catch (e: IndexOutOfBoundsException) {
            defaultParams
        }
}
