amethyst/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RobohashAsyncImage.kt

package com.vitorpamplona.amethyst.ui.components

import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.ColorFilter
import androidx.compose.ui.graphics.DefaultAlpha
import androidx.compose.ui.graphics.FilterQuality
import androidx.compose.ui.graphics.drawscope.DrawScope
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.platform.LocalContext
import coil.compose.AsyncImage
import coil.compose.AsyncImagePainter
import coil.compose.rememberAsyncImagePainter

@Composable
fun RobohashAsyncImage(
    robot: String,
    modifier: Modifier = Modifier,
    contentDescription: String? = null,
    transform: (AsyncImagePainter.State) -> AsyncImagePainter.State = AsyncImagePainter.DefaultTransform,
    onState: ((AsyncImagePainter.State) -> Unit)? = null,
    alignment: Alignment = Alignment.Center,
    contentScale: ContentScale = ContentScale.Fit,
    alpha: Float = DefaultAlpha,
    colorFilter: ColorFilter? = null,
    filterQuality: FilterQuality = DrawScope.DefaultFilterQuality
) {
    AsyncImage(
        model = Robohash.imageRequest(LocalContext.current, robot),
        contentDescription = contentDescription,
        modifier = modifier,
        transform = transform,
        onState = onState,
        alignment = alignment,
        contentScale = contentScale,
        alpha = alpha,
        colorFilter = colorFilter,
        filterQuality = filterQuality
    )
}

@Composable
fun RobohashFallbackAsyncImage(
    robot: String,
    model: String?,
    contentDescription: String?,
    modifier: Modifier = Modifier,
    alignment: Alignment = Alignment.Center,
    contentScale: ContentScale = ContentScale.Fit,
    alpha: Float = DefaultAlpha,
    colorFilter: ColorFilter? = null,
    filterQuality: FilterQuality = DrawScope.DefaultFilterQuality
) {
    val context = LocalContext.current
    val painter = rememberAsyncImagePainter(model = Robohash.imageRequest(context, robot))

    AsyncImage(
        model = model,
        contentDescription = contentDescription,
        modifier = modifier,
        placeholder = painter,
        fallback = painter,
        error = painter,
        alignment = alignment,
        contentScale = contentScale,
        alpha = alpha,
        colorFilter = colorFilter,
        filterQuality = filterQuality
    )
}

@Composable
fun RobohashAsyncImageProxy(
    robot: String,
    model: ResizeImage,
    contentDescription: String?,
    modifier: Modifier = Modifier,
    alignment: Alignment = Alignment.Center,
    contentScale: ContentScale = ContentScale.Fit,
    alpha: Float = DefaultAlpha,
    colorFilter: ColorFilter? = null,
    filterQuality: FilterQuality = DrawScope.DefaultFilterQuality
) {
    if (model.url == null) {
        RobohashAsyncImage(
            robot = robot,
            contentDescription = contentDescription,
            modifier = modifier,
            alignment = alignment,
            contentScale = contentScale,
            alpha = alpha,
            colorFilter = colorFilter,
            filterQuality = filterQuality
        )
    } else {
        RobohashFallbackAsyncImage(
            robot = robot,
            model = model.proxyUrl(),
            contentDescription = contentDescription,
            modifier = modifier,
            alignment = alignment,
            contentScale = contentScale,
            alpha = alpha,
            colorFilter = colorFilter,
            filterQuality = filterQuality
        )
    }
}