/*
 * ImageToolbox is an image editor for android
 * Copyright (c) 2026 T8RIN (Malik Mukhametzyanov)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * You should have received a copy of the Apache License
 * along with this program.  If not, see <http://www.apache.org/licenses/LICENSE-2.0>.
 */

package com.t8rin.imagetoolbox.feature.recognize.text.presentation.components

import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.itemsIndexed
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.surfaceColorAtElevation
import androidx.compose.runtime.Composable
import androidx.compose.runtime.derivedStateOf
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp
import com.t8rin.imagetoolbox.core.resources.utils.animation.animateColorAsState
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.EnhancedBottomSheetDefaults
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.enhancedFlingBehavior
import com.t8rin.imagetoolbox.core.ui.widget.modifier.ShapeDefaults
import com.t8rin.imagetoolbox.core.ui.widget.preferences.PreferenceItem
import com.t8rin.imagetoolbox.feature.recognize.text.domain.OCRLanguage
import com.t8rin.imagetoolbox.feature.recognize.text.domain.RecognitionType

@Composable
internal fun OCRLanguageColumnForSearch(
    languagesForSearch: List<OCRLanguage>,
    value: List<OCRLanguage>,
    currentRecognitionType: RecognitionType,
    onValueChange: (List<OCRLanguage>, RecognitionType) -> Unit,
    allowMultipleLanguagesSelection: Boolean
) {
    fun onValueChangeImpl(
        selected: Boolean,
        type: RecognitionType,
        lang: OCRLanguage
    ) {
        if (allowMultipleLanguagesSelection) {
            if (selected) {
                onValueChange(
                    (value - lang).distinct(),
                    type
                )
            } else onValueChange(
                (value + lang).distinct(),
                type
            )
        } else onValueChange(listOf(lang), type)
    }

    LazyColumn(
        contentPadding = PaddingValues(16.dp),
        verticalArrangement = Arrangement.spacedBy(4.dp),
        flingBehavior = enhancedFlingBehavior()
    ) {
        itemsIndexed(
            items = languagesForSearch,
            key = { _, l -> l.code }
        ) { index, lang ->
            val selected by remember(value, lang) {
                derivedStateOf {
                    lang in value
                }
            }
            PreferenceItem(
                title = lang.name,
                subtitle = lang.localizedName.takeIf { it != lang.name },
                onClick = {
                    onValueChangeImpl(
                        selected = selected,
                        type = currentRecognitionType,
                        lang = lang
                    )
                },
                containerColor = animateColorAsState(
                    if (selected) {
                        MaterialTheme.colorScheme.surfaceColorAtElevation(
                            20.dp
                        )
                    } else EnhancedBottomSheetDefaults.contentContainerColor
                ).value,
                shape = ShapeDefaults.byIndex(
                    index = index,
                    size = languagesForSearch.size
                ),
                modifier = Modifier
                    .animateItem()
                    .fillMaxWidth()
            )
        }
    }
}