package com.suno.android.common_ui.components.waveform

import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.Orientation
import androidx.compose.foundation.gestures.draggable
import androidx.compose.foundation.gestures.rememberDraggableState
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxHeight
import androidx.compose.foundation.layout.width
import androidx.compose.material3.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
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.draw.clip
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.platform.LocalLayoutDirection
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.dp
import com.suno.android.common_ui.R
import com.suno.android.common_ui.components.timebox.TimeBoxPlaceableScope
import com.suno.android.common_ui.theme.ExtendedTheme
import kotlin.time.Duration

@Composable
fun TimeBoxPlaceableScope.StartOnlyCropHandle(
    startTime: Duration,
    duration: Duration,
    onStartTimeDrag: (delta: Duration) -> Unit,
    modifier: Modifier = Modifier,
    onDragEnd: () -> Unit = {},
) {
    val density = LocalDensity.current

    var isStartDragging by remember {
        mutableStateOf(false)
    }
    var isEndDragging by remember {
        mutableStateOf(false)
    }
    var isCropperDragging by remember {
        mutableStateOf(false)
    }

    CompositionLocalProvider(
        LocalLayoutDirection provides LayoutDirection.Ltr,
    ) {
        Row(
            modifier = modifier
                .atTime(startTime to duration)
                .clip(MaterialTheme.shapes.small),
        ) {
            CropHandle(
                painter = painterResource(R.drawable.extend_left),
                contentDescription = stringResource(com.suno.android.common_res.R.string.extend_left),
                modifier = Modifier
                    .fillMaxHeight()
                    .width(24.dp)
                    .draggable(
                        orientation = Orientation.Horizontal,
                        state = rememberDraggableState { delta ->
                            val timeDelta = with(density) {
                                delta.toDp() / resolution
                            }
                            onStartTimeDrag(timeDelta)
                        },
                        onDragStarted = { isStartDragging = true },
                        onDragStopped = {
                            isStartDragging = false
                            if (!isEndDragging && !isCropperDragging) {
                                onDragEnd()
                            }
                        },
                    ),
            )

            Box(
                contentAlignment = Alignment.TopCenter,
                modifier = Modifier
                    .fillMaxHeight()
                    .weight(1f),
            ) {
                Spacer(
                    modifier = Modifier
                        .matchParentSize()
                        .background(color = ExtendedTheme.colors.sunoPink.copy(alpha = .5f)),
                )
            }
        }
    }
}