package com.vgmlr.shim

import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.ExperimentalLayoutApi
import androidx.compose.foundation.layout.FlowRow
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalUriHandler
import androidx.compose.ui.platform.LocalView
import androidx.compose.ui.res.colorResource
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.compose.ui.window.Dialog
import androidx.compose.ui.window.DialogProperties
import androidx.compose.ui.window.DialogWindowProvider
import java.time.Instant
import java.time.LocalDateTime
import java.time.ZoneId
import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.material3.HorizontalDivider
import androidx.compose.material3.ListItem
import androidx.compose.material3.ListItemDefaults
import androidx.compose.material3.ExperimentalMaterial3Api

@Composable
fun ConfirmDialog(
    message: String,
    onConfirm: () -> Unit,
    onDismiss: () -> Unit
) {
    Dialog(
        onDismissRequest = onDismiss,
        properties = DialogProperties(usePlatformDefaultWidth = false)
    ) {
        (LocalView.current.parent as? DialogWindowProvider)?.window?.setDimAmount(0.8f)
        Surface(
            modifier = Modifier
                .padding(horizontal = 24.dp)
                .fillMaxWidth(),
            shape = RoundedCornerShape(8.dp),
            color = colorResource(id = R.color.dialog_bg_color)
        ) {
            Column(modifier = Modifier.padding(horizontal = 26.dp, vertical = 20.dp)) {
                Text(message, color = colorResource(id = R.color.dialog_color), fontSize = 16.sp)
                Row(
                    modifier = Modifier
                        .fillMaxWidth()
                        .padding(top = 16.dp),
                    horizontalArrangement = Arrangement.End
                ) {
                    Text(
                        "Nope",
                        color = colorResource(id = R.color.dialog_color),
                        modifier = Modifier
                            .clickable(onClick = onDismiss)
                            .clip(RoundedCornerShape(6.dp))
                            .border(1.dp, Color.White.copy(alpha = 0.05f), RoundedCornerShape(6.dp))
                            .background(Color.White.copy(alpha = 0.05f))
                            .padding(horizontal = 22.dp, vertical = 8.dp)
                    )
                    Spacer(Modifier.width(8.dp))
                    Text(
                        "Yep",
                        color = colorResource(id = R.color.dialog_color),
                        modifier = Modifier
                            .clickable(onClick = onConfirm)
                            .clip(RoundedCornerShape(6.dp))
                            .border(1.dp, Color.White.copy(alpha = 0.05f), RoundedCornerShape(6.dp))
                            .background(Color.White.copy(alpha = 0.05f))
                            .padding(horizontal = 22.dp, vertical = 8.dp)
                    )
                }
            }
        }
    }
}

@Composable
fun DataDialog(shims: List<ShimClass>, onDismiss: () -> Unit) {
    val context = LocalContext.current
    val totalShimText = remember(shims) { shims.size.toString() }
    val allTags = remember(shims) {
        shims.flatMap { it.shimhash.split(" ").filter { tag -> tag.isNotBlank() } }
    }
    val uniqueTagsCount = remember(allTags) { allTags.distinct().size.toString() }
    val lastModified = remember(shims) {
        if (shims.isNotEmpty()) OTCClock.getCurrentOTCTime() else "none"
    }

    val lastBackup = remember {
        val stamp = ShimBackUp.lastStamp(context)
        if (stamp > 0L) {
            OTCClock.getOTCTime(LocalDateTime.ofInstant(Instant.ofEpochMilli(stamp), ZoneId.systemDefault()))
        } else "none"
    }

    Dialog(
        onDismissRequest = onDismiss,
        properties = DialogProperties(usePlatformDefaultWidth = false)
    ) {
        (LocalView.current.parent as? DialogWindowProvider)?.window?.setDimAmount(0.8f)
        Surface(
            modifier = Modifier
                .padding(horizontal = 24.dp)
                .fillMaxWidth(),
            shape = RoundedCornerShape(8.dp),
            color = colorResource(id = R.color.dialog_bg_color)
        ) {
            Column(
                modifier = Modifier.padding(horizontal = 24.dp, vertical = 32.dp),
                horizontalAlignment = Alignment.CenterHorizontally
            ) {
                Row {
                    Column(horizontalAlignment = Alignment.End) {
                        Text("Shims", color = colorResource(id = R.color.dialog_color), fontSize = 14.sp)
                        Text("Tags", color = colorResource(id = R.color.dialog_color), fontSize = 14.sp)
                        Text("Modified", color = colorResource(id = R.color.dialog_color), fontSize = 14.sp)
                        Text("Archived", color = colorResource(id = R.color.dialog_color), fontSize = 14.sp)
                    }
                    Spacer(Modifier.width(16.dp))
                    Column {
                        Text(totalShimText, color = colorResource(id = R.color.dialog_color), fontSize = 13.sp, fontFamily = FontFamily.Monospace)
                        Text(uniqueTagsCount, color = colorResource(id = R.color.dialog_color), fontSize = 13.sp, fontFamily = FontFamily.Monospace)
                        Text(lastModified, color = colorResource(id = R.color.dialog_color), fontSize = 13.sp, fontFamily = FontFamily.Monospace)
                        Text(lastBackup, color = colorResource(id = R.color.dialog_color), fontSize = 13.sp, fontFamily = FontFamily.Monospace)
                    }
                }
            }
        }
    }
}

@OptIn(ExperimentalLayoutApi::class)
@Composable
fun TagsDialog(shims: List<ShimClass>, onDismiss: () -> Unit, onTagClick: (String) -> Unit) {
    val tagCounts = remember(shims) {
        shims.flatMap { shim -> shim.shimhash.split(" ").filter { it.isNotBlank() } }
            .groupingBy { it }
            .eachCount()
            .entries
            .sortedByDescending { it.value }
            .take(40)
            .shuffled()
    }

    if (tagCounts.isEmpty()) {
        onDismiss()
        return
    }

    val maxCount = tagCounts.maxOf { it.value }.toFloat()
    val minCount = tagCounts.minOf { it.value }.toFloat()

    Dialog(
        onDismissRequest = onDismiss,
        properties = DialogProperties(usePlatformDefaultWidth = false)
    ) {
        (LocalView.current.parent as? DialogWindowProvider)?.window?.setDimAmount(0.8f)
        Surface(
            modifier = Modifier
                .padding(horizontal = 24.dp)
                .fillMaxWidth(),
            shape = RoundedCornerShape(8.dp),
            color = colorResource(id = R.color.dialog_bg_color)
        ) {
            Column(
                modifier = Modifier.fillMaxWidth().padding(horizontal = 24.dp, vertical = 32.dp),
                horizontalAlignment = Alignment.CenterHorizontally
            ) {
                FlowRow(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
                    tagCounts.forEach { entry ->
                        val size = if (maxCount == minCount) 14.sp else (14f + (entry.value - minCount) * 7f / (maxCount - minCount)).sp
                        val alphaFade = if (maxCount == minCount) 1.0f else 0.8f + (entry.value - minCount) * 0.8f / (maxCount - minCount)
                        Text(
                            text = entry.key,
                            color = colorResource(id = R.color.dialog_color).copy(alpha = alphaFade),
                            fontSize = size,
                            modifier = Modifier.padding(horizontal = 5.dp, vertical = 3.dp).clickable { onTagClick(entry.key); onDismiss() }
                        )
                    }
                }
            }
        }
    }
}

@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun ExportDialog(onDismiss: () -> Unit, onExportDb: () -> Unit, onExportCsv: () -> Unit) {
    Dialog(
        onDismissRequest = onDismiss,
        properties = DialogProperties(usePlatformDefaultWidth = false)
    ) {
        (LocalView.current.parent as? DialogWindowProvider)?.window?.setDimAmount(0.8f)
        Surface(
            modifier = Modifier
                .padding(horizontal = 24.dp)
                .fillMaxWidth(),
            shape = RoundedCornerShape(8.dp),
            color = colorResource(id = R.color.dialog_bg_color)
        ) {
            Column(
                modifier = Modifier.padding(horizontal = 24.dp, vertical = 26.dp),
                horizontalAlignment = Alignment.Start
            ) {
                ListItem(
                    headlineContent = { Text("SQL3 (.db)") },
                    colors = ListItemDefaults.colors(
                        containerColor = colorResource(id = R.color.dialog_bg_color),
                        headlineColor = colorResource(id = R.color.dialog_color)
                    ),
                    modifier = Modifier.clickable { onExportDb(); onDismiss() }
                )
                HorizontalDivider(color = Color.Gray.copy(alpha = 0.3f))
                ListItem(
                    headlineContent = { Text("Comma (.csv)") },
                    colors = ListItemDefaults.colors(
                        containerColor = colorResource(id = R.color.dialog_bg_color),
                        headlineColor = colorResource(id = R.color.dialog_color)
                    ),
                    modifier = Modifier.clickable { onExportCsv(); onDismiss() }
                )
            }
        }
    }
}

@Composable
fun VersionDialog(onDismiss: () -> Unit) {
    val uriHandler = LocalUriHandler.current
    Dialog(
        onDismissRequest = onDismiss,
        properties = DialogProperties(usePlatformDefaultWidth = false)
    ) {
        (LocalView.current.parent as? DialogWindowProvider)?.window?.setDimAmount(0.8f)
        Surface(
            modifier = Modifier
                .padding(horizontal = 24.dp)
                .fillMaxWidth(),
            shape = RoundedCornerShape(8.dp),
            color = colorResource(id = R.color.dialog_bg_color)
        ) {
            Column(
                modifier = Modifier.padding(vertical = 26.dp),
                horizontalAlignment = Alignment.CenterHorizontally
            ) {
                Text("com.vgmlr.shim", color = colorResource(id = R.color.dialog_color), fontSize = 14.sp)
                Text("117.026.1", color = colorResource(id = R.color.dialog_color), fontSize = 14.sp)
                Text(
                    "vgmlr.com/mlwrk",
                    color = colorResource(id = R.color.dialog_color),
                    fontSize = 14.sp,
                    modifier = Modifier.clickable { uriHandler.openUri("https://vgmlr.com/mlwrk") }
                )
            }
        }
    }
}