/*
 * Unitto is a calculator for Android
 * Copyright (c) 2023-2024 Elshan Agaev
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package app.myzel394.numberhub.feature.calculator

import androidx.compose.ui.text.input.TextFieldValue
import app.myzel394.numberhub.core.base.FormatterSymbols
import app.myzel394.numberhub.data.model.HistoryItem

internal sealed class CalculatorUIState {
    data object Loading : CalculatorUIState()

    data class Ready(
        val input: TextFieldValue,
        val output: CalculationResult,
        val radianMode: Boolean,
        val precision: Int,
        val outputFormat: Int,
        val formatterSymbols: FormatterSymbols,
        val history: List<HistoryItem>,
        val middleZero: Boolean,
        val acButton: Boolean,
        val additionalButtons: Boolean,
        val inverseMode: Boolean,
        val partialHistoryView: Boolean,
    ) : CalculatorUIState()
}

sealed class CalculationResult {
    data class Success(val text: String) : CalculationResult()

    data object Empty : CalculationResult()

    data object DivideByZeroError : CalculationResult()

    data object Error : CalculationResult()
}
