package com.suno.android.common_ui.components.bottom_sheet

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.WindowInsets
import androidx.compose.foundation.layout.defaultMinSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.heightIn
import androidx.compose.foundation.layout.navigationBarsPadding
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.statusBars
import androidx.compose.foundation.text.KeyboardActions
import androidx.compose.foundation.text.KeyboardOptions
import androidx.compose.material3.ModalBottomSheet
import androidx.compose.material3.SheetState
import androidx.compose.material3.Text
import androidx.compose.material3.TextField
import androidx.compose.material3.TextFieldDefaults
import androidx.compose.material3.rememberModalBottomSheetState
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.focus.FocusRequester
import androidx.compose.ui.focus.focusRequester
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.LocalConfiguration
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.platform.LocalFocusManager
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.TextRange
import androidx.compose.ui.text.input.ImeAction
import androidx.compose.ui.text.input.KeyboardType
import androidx.compose.ui.text.input.TextFieldValue
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.suno.android.common_ui.R
import com.suno.android.common_ui.components.buttons.SunoMediumButton
import com.suno.android.common_ui.components.omni.CircleIconButton
import com.suno.android.common_ui.components.preview.SunoPreview
import com.suno.android.common_ui.theme.ExtendedTheme
import com.suno.android.common_res.R as CommonResR

@Composable
fun TextEditingBottomSheet(
    sheetState: SheetState = rememberModalBottomSheetState(true),
    headerName: String,
    confirmButtonName: String,
    value: String,
    onConfirm: (String) -> Unit = {},
    onDismiss: () -> Unit = {},
    onEnter: () -> Unit = {},
    maxLines: Int = 1,
) {
    val focusRequester = remember { FocusRequester() }

    ModalBottomSheet(
        onDismissRequest = onDismiss,
        sheetState = sheetState,
        dragHandle = null,
    ) {
        val statusBarHeightDp = with(LocalDensity.current) {
            WindowInsets.statusBars.getTop(LocalDensity.current).toDp()
        }
        Column(
            modifier = Modifier
                .background(ExtendedTheme.colors.backgroundPrimary)
                .fillMaxWidth()
                .defaultMinSize(minHeight = 128.dp)
                .heightIn(
                    max = (LocalConfiguration.current.screenHeightDp - statusBarHeightDp.value).dp,
                ),
        ) {
            // Header
            Box(
                modifier = Modifier
                    .fillMaxWidth()
                    .padding(top = 16.dp)
                    .height(64.dp),
            ) {
                Text(
                    modifier = Modifier.align(Alignment.Center),
                    text = headerName,
                    style = ExtendedTheme.typography.introCopy,
                    maxLines = maxLines,
                )

                CircleIconButton(
                    modifier = Modifier
                        .align(Alignment.CenterEnd)
                        .padding(16.dp),
                    vectorDrawableResId = R.drawable.close,
                    contentDescription = stringResource(CommonResR.string.close),
                    onClick = onDismiss,
                )
            }

            Column(
                modifier = Modifier
                    .fillMaxWidth()
                    .padding(horizontal = 16.dp),
            ) {
                var textState by remember {
                    mutableStateOf(
                        TextFieldValue(
                            text = value,
                            selection = TextRange(value.length),
                        ),
                    )
                }

                val focusManager = LocalFocusManager.current
                TextField(
                    modifier = Modifier
                        .fillMaxWidth()
                        .padding(top = 16.dp)
                        .height(96.dp)
                        .focusRequester(focusRequester),
                    value = textState,
                    onValueChange = {
                        textState = it
                    },
                    keyboardOptions = KeyboardOptions.Default.copy(
                        autoCorrectEnabled = true,
                        keyboardType = KeyboardType.Text,
                        imeAction = ImeAction.Done,
                    ),
                    keyboardActions = KeyboardActions(
                        onDone = {
                            focusManager.clearFocus()
                            onEnter()
                        },
                    ),
                    textStyle = ExtendedTheme.typography.largeBody.copy(
                        textAlign = TextAlign.Center,
                        fontSize = 32.sp,
                        color = ExtendedTheme.colors.textBrand,
                    ),
                    colors = TextFieldDefaults.colors(
                        unfocusedContainerColor = Color.Transparent,
                        focusedContainerColor = Color.Transparent,
                        unfocusedIndicatorColor = Color.Transparent,
                        focusedIndicatorColor = Color.Transparent,
                        focusedTextColor = ExtendedTheme.colors.textSecondary,
                        unfocusedTextColor = ExtendedTheme.colors.textSecondary,
                        cursorColor = ExtendedTheme.colors.sunoPink,
                    ),
                    maxLines = 1,
                )

                Spacer(modifier = Modifier.height(16.dp))

                SunoMediumButton(
                    text = confirmButtonName,
                    onClick = { onConfirm(textState.text) },
                    modifier = Modifier
                        .fillMaxWidth()
                        .padding(8.dp)
                        .navigationBarsPadding(),
                    enabled = textState.text.isNotBlank(),
                )

                Spacer(modifier = Modifier.height(16.dp))
            }
        }
    }

    LaunchedEffect(Unit) {
        focusRequester.requestFocus()
    }
}

@Preview(showSystemUi = true)
@Composable
private fun TextEditingBottomSheet_Preview() {
    SunoPreview {
        TextEditingBottomSheet(
            headerName = "Title",
            confirmButtonName = "Confirm",
            value = "Untitled",
        )
    }
}