package io.nexilis.alpha.ui.components

import android.graphics.BitmapFactory
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.aspectRatio
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.widthIn
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.DownloadForOffline
import androidx.compose.material.icons.filled.Headset
import androidx.compose.material.icons.filled.PlayArrow
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.LinearProgressIndicator
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.livedata.observeAsState
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.graphicsLayer
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.vectorResource
import androidx.compose.ui.text.intl.Locale
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.text.toUpperCase
import androidx.compose.ui.unit.dp
import androidx.core.content.FileProvider
import androidx.exifinterface.media.ExifInterface
import androidx.hilt.navigation.compose.hiltViewModel
import coil.compose.rememberAsyncImagePainter
import io.nexilis.alpha.R
import io.nexilis.service.core.Orange
import io.nexilis.service.core.extension
import io.nexilis.service.core.toHumanStandard
import io.nexilis.service.data.entities.Message
import io.nexilis.service.data.viewmodels.ProgressViewModel
import java.io.File
import java.io.FileInputStream

@Composable
fun ContentChat(modifier: Modifier = Modifier, message: Message) {
    val context = LocalContext.current
    if (message.image_id.isNotEmpty()) {
        Column(modifier = Modifier.padding(2.dp)) {
            val file = File(context.filesDir, message.image_id)
            val uri = FileProvider.getUriForFile(
                context, context.applicationContext.packageName + ".provider", file
            )
            var width: Int
            var height: Int
            FileInputStream(file).use {
                val exif = ExifInterface(it)
                width = exif.getAttributeInt(ExifInterface.TAG_IMAGE_WIDTH, 1)
                height = exif.getAttributeInt(ExifInterface.TAG_IMAGE_LENGTH, 1)
                val orientation = exif.getAttributeInt(
                    ExifInterface.TAG_ORIENTATION,
                    ExifInterface.ORIENTATION_UNDEFINED
                )
                if (orientation == ExifInterface.ORIENTATION_ROTATE_90 || orientation == ExifInterface.ORIENTATION_ROTATE_270) {
                    height = exif.getAttributeInt(ExifInterface.TAG_IMAGE_WIDTH, 1)
                    width = exif.getAttributeInt(ExifInterface.TAG_IMAGE_LENGTH, 1)
                }
            }
            if (width == 0) {
                FileInputStream(file).use {
                    val bitmap = BitmapFactory.decodeStream(it)
                    width = bitmap.width
                    if (height == 0) height = bitmap.height
                }
            }
            val aspectRatio = width.toFloat() / height.toFloat()
            Image(
                painter = rememberAsyncImagePainter(uri),
                contentDescription = "",
                modifier = modifier
                    .aspectRatio(aspectRatio)
                    .graphicsLayer {
                        shape = RoundedCornerShape(12.dp)
                        clip = true
                    },
                contentScale = ContentScale.Fit
            )
            if (message.message_text.isNotEmpty()) {
                Text(
                    text = message.message_text,
                    modifier = Modifier.padding(8.dp),
                    color = MaterialTheme.colorScheme.onSurface,
                    style = MaterialTheme.typography.bodyMedium,
                )
            }
        }
    } else if (message.file_id.isNotEmpty()) {
        Column(
            modifier = Modifier
                .padding(2.dp)
                .fillMaxWidth(0.65f)
        ) {
            Row(modifier = Modifier
                .graphicsLayer {
                    shape = RoundedCornerShape(12.dp)
                    clip = true
                }
                .align(Alignment.CenterHorizontally)
                .background(MaterialTheme.colorScheme.surface)
                .padding(8.dp)
            ) {
                FileType(
                    message = message, modifier = Modifier
                        .align(Alignment.CenterVertically)
                )
                Column(
                    modifier = Modifier
                        .weight(1f)
                ) {
                    Text(
                        text = message.message_text.split("|").first(),
                        color = MaterialTheme.colorScheme.onSurface,
                        style = MaterialTheme.typography.bodyMedium,
                        maxLines = 2,
                        overflow = TextOverflow.Ellipsis
                    )
                    FileDesc(file = message.file_id)
                }
                FileProgress(
                    message = message,
                    modifier = Modifier.align(Alignment.CenterVertically)
                )
            }
            val messageText = message.message_text.split("|").last()
            if (messageText.isNotEmpty()) {
                Text(
                    text = messageText,
                    modifier = Modifier.padding(8.dp),
                    color = MaterialTheme.colorScheme.onSurface,
                    style = MaterialTheme.typography.bodyMedium,
                )
            }
        }
    } else if (message.audio_id.isNotEmpty()) {
        Column(
            modifier = Modifier
                .padding(2.dp)
                .widthIn(max = 210.dp)
        ) {
            Row(modifier = Modifier
                .graphicsLayer {
                    shape = RoundedCornerShape(12.dp)
                    clip = true
                }
                .background(MaterialTheme.colorScheme.surface)) {
                Icon(
                    modifier = Modifier
                        .size(48.dp)
                        .padding(start = 8.dp)
                        .align(Alignment.CenterVertically),
                    imageVector = Icons.Default.Headset,
                    contentDescription = null,
                    tint = Color.Orange
                )
                Column {
                    Row(
                        modifier = Modifier.padding(
                            start = 4.dp,
                            top = 8.dp,
                            end = 8.dp,
                            bottom = 8.dp
                        )
                    ) {
                        Icon(
                            modifier = Modifier
                                .size(32.dp)
                                .align(Alignment.CenterVertically),
                            imageVector = Icons.Default.PlayArrow,
                            contentDescription = null,
                            tint = MaterialTheme.colorScheme.primary
                        )
                        LinearProgressIndicator(
                            progress = { 0.5f },
                            modifier = Modifier
                                .align(Alignment.CenterVertically)
                                .fillMaxWidth(),
                        )
                    }
                    Text(
                        modifier = Modifier.padding(
                            start = 4.dp,
                            top = 8.dp,
                            end = 8.dp,
                            bottom = 8.dp
                        ),
                        color = MaterialTheme.colorScheme.onSurface,
                        text = message.message_text.split("|").first(),
                        style = MaterialTheme.typography.labelSmall,
                        maxLines = 1,
                        overflow = TextOverflow.Ellipsis
                    )
                }
            }
            val messageText = message.message_text.split("|").last()
            if (messageText.isNotEmpty()) {
                Text(
                    text = messageText,
                    modifier = Modifier.padding(8.dp),
                    color = MaterialTheme.colorScheme.onSurface,
                    style = MaterialTheme.typography.bodyMedium,
                )
            }
        }
    } else {
        Text(
            text = message.message_text,
            modifier = Modifier.padding(8.dp),
            color = MaterialTheme.colorScheme.onSurface,
            style = MaterialTheme.typography.bodyMedium,
        )
    }
}

@Composable
fun FileType(message: Message, modifier: Modifier) {
    val imageVector = when (message.file_id.extension) {
        "apk", "aab" -> ImageVector.vectorResource(id = R.drawable.ic_apk)
        "aac", "mp3", "m4a", "ogg" -> ImageVector.vectorResource(id = R.drawable.ic_audio)
        "xls", "xlsx" -> ImageVector.vectorResource(id = R.drawable.ic_excel)
        "jpg", "jpeg", "webp", "png", "svg" -> ImageVector.vectorResource(id = R.drawable.ic_image)
        "pdf" -> ImageVector.vectorResource(id = R.drawable.ic_pdf)
        "ppt", "pptx" -> ImageVector.vectorResource(id = R.drawable.ic_ppt)
        "txt" -> ImageVector.vectorResource(id = R.drawable.ic_txt)
        "mp4", "mov", "3gp" -> ImageVector.vectorResource(id = R.drawable.ic_video)
        "doc", "docx" -> ImageVector.vectorResource(id = R.drawable.ic_word)
        "zip", "gz", "rar" -> ImageVector.vectorResource(id = R.drawable.ic_zip)
        else -> ImageVector.vectorResource(id = R.drawable.ic_file)
    }
    Image(
        modifier = modifier
            .size(48.dp),
        imageVector = imageVector,
        contentDescription = null
    )
}

@Composable
fun FileDesc(file: String, modifier: Modifier = Modifier) {
    val context = LocalContext.current
    val f = File(context.filesDir, file)
    if (f.exists()) {
        Text(
            modifier = modifier,
            text = "${
                f.length().toHumanStandard()
            } • ${file.extension.toUpperCase(Locale.current)}",
            color = MaterialTheme.colorScheme.onSurface,
            style = MaterialTheme.typography.labelSmall,
        )
    }
}

@Composable
fun FileProgress(message: Message, modifier: Modifier = Modifier) {
    val context = LocalContext.current
    val progressViewModel: ProgressViewModel = hiltViewModel()
    val progress by progressViewModel.get(message.message_id).observeAsState()
    progress?.let {
        if (it.value > 0f && it.value < 1f) {
            CircularProgressIndicator(
                progress = { it.value },
                modifier = modifier
                    .size(32.dp),
            )
        }
    }
    val file = File(context.filesDir, message.file_id)
    if (!file.exists()) {
        IconButton(
            onClick = { /*TODO*/ },
            modifier = modifier
        ) {
            Icon(
                imageVector = Icons.Default.DownloadForOffline,
                contentDescription = null,
                tint = Color.LightGray
            )
        }
    }
}