package ru.omni_devel.cards

import android.content.Intent
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.detectTapGestures
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.IntrinsicSize
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxHeight
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.material3.Button
import androidx.compose.material3.ButtonDefaults
import androidx.compose.material3.DropdownMenu
import androidx.compose.material3.DropdownMenuItem
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.runtime.setValue
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.core.graphics.toColorInt

@Composable
fun Page(name: String, innerPadding: PaddingValues, content: @Composable () -> Unit) {
    Column() {
        TopBar(name, innerPadding)

        Column(
            modifier = Modifier
                .fillMaxSize()
                .padding(horizontal = 16.dp)
                .background(MaterialTheme.colorScheme.background)
        ) {
            content()
        }
    }
}

@Composable
fun TopBar(text: String, innerPadding: PaddingValues) {
    Row(
        modifier = Modifier
            .fillMaxWidth()
            .background(MaterialTheme.colorScheme.primaryContainer)
            .padding(top = innerPadding.calculateTopPadding())
            .padding(horizontal = 8.dp)
            .padding(bottom = 8.dp)
    ) {
        Text(
            text,
            modifier = Modifier.padding(vertical = 4.dp, horizontal = 12.dp),
            fontSize = 24.sp,
            color = MaterialTheme.colorScheme.onPrimaryContainer
        )
    }
}

@Composable
fun CardButton(cardInfo: CardInfo, onDeleteCard: (Int) -> Unit) {
    val context = LocalContext.current
    var menuExpanded by remember { mutableStateOf(false) }

    Box(modifier = Modifier.fillMaxWidth()) {
        Surface(
            modifier = Modifier
                .fillMaxWidth()
                .pointerInput(Unit) {
                    detectTapGestures(
                        onTap = {
                            val intent = Intent(context, ShowCardActivity::class.java)
                            intent.putExtra("cardId", cardInfo.id)
                            context.startActivity(intent)
                        },
                        onLongPress = {
                            menuExpanded = true
                        }
                    )
                },
            shape = ButtonDefaults.shape,
            color = MaterialTheme.colorScheme.primaryContainer,
            tonalElevation = 2.dp
        ) {
            Row(
                modifier = Modifier.fillMaxWidth().height(IntrinsicSize.Min),
                horizontalArrangement = Arrangement.SpaceBetween
            ) {
                Box(
                    modifier = Modifier
                        .fillMaxHeight()
                        .width(32.dp)
                        .background(
                            if (cardInfo.color == null) MaterialTheme.colorScheme.secondaryContainer.copy(alpha = 0.625f)
                            else Color(cardInfo.color.toColorInt()).copy(alpha = 0.625f)
                        )
                )

                Text(
                    cardInfo.name,
                    fontSize = 16.sp,
                    color = MaterialTheme.colorScheme.onPrimaryContainer,
                    modifier = Modifier
                        .padding(16.dp)
                        .fillMaxWidth()
                        .weight(1f),
                    textAlign = TextAlign.Start
                )
            }
        }

        DropdownMenu(
            expanded = menuExpanded,
            onDismissRequest = { menuExpanded = false }
        ) {
            DropdownMenuItem(
                text = { Text(stringResource(R.string.do_edit_card)) },
                onClick = {
                    menuExpanded = false

                    val intent = Intent(context, EditCardActivity::class.java)

                    intent.putExtra("cardId", cardInfo.id)

                    context.startActivity(intent)
                }
            )
            DropdownMenuItem(
                text = { Text(stringResource(R.string.do_delete_card)) },
                onClick = {
                    menuExpanded = false

                    onDeleteCard(cardInfo.id)
                }
            )
        }
    }
}

@Composable
fun FullWidthButton(onClick: () -> Unit, content: @Composable () -> Unit) {
    Button(
        modifier = Modifier.fillMaxWidth(),
        onClick = onClick
    ) {
        content()
    }
}