recipe-kt/app/src/main/java/xyz/pixelatedw/recipe/MainActivity.kt

package xyz.pixelatedw.recipe

import android.app.Activity
import android.content.Intent
import android.content.res.Configuration
import android.net.Uri
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.activity.result.contract.ActivityResultContracts
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.text.TextStyle
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.TextUnit
import androidx.compose.ui.unit.TextUnitType
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.em
import xyz.pixelatedw.recipe.ui.theme.RecipeTheme
import androidx.compose.foundation.lazy.items
import androidx.compose.ui.platform.LocalContext
import androidx.core.net.toUri

class MainActivity : ComponentActivity() {
	override fun onCreate(savedInstanceState: Bundle?) {
		super.onCreate(savedInstanceState)

		val recipes = listOf(
			Recipe(title = "Test", tags = listOf("tag1", "tag2")),
			Recipe(title = "Actual Recipe", tags = listOf("test"))
		)

		requestDirLauncher()

        enableEdgeToEdge()
        setContent {
            RecipeTheme {
				Surface {
					Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
						RecipeList(innerPadding, recipes)
					}
                }
            }
        }
    }

	private val requestDirLauncher = {
		val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)

		val getContent = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
			if (result.resultCode == Activity.RESULT_OK) {
				result.data?.data?.let { uri ->
					println(uri)
				}
			}
		}

		getContent.launch(intent)
	}
}

data class Recipe(val title: String, val tags: List<String>)

@Composable
fun RecipeList(padding: PaddingValues, recipes: List<Recipe>) {
	LazyColumn(modifier = Modifier.padding(padding)) {
		items(recipes) { recipe ->
			RecipePreview(recipe)
		}
	}
}

@Preview
@Composable
fun RecipeListPreview() {
	val recipes = listOf(
		Recipe(title = "Test", tags = listOf("tag1", "tag2")),
		Recipe(title = "Actual Recipe", tags = listOf("test"))
	)
	RecipeTheme {
		RecipeList(PaddingValues(), recipes)
	}
}

@Composable
fun RecipePreview(recipe: Recipe) {
	Column(modifier = Modifier.padding(8.dp)) {
		Row(horizontalArrangement = Arrangement.Center, modifier = Modifier.fillMaxWidth()) {
			Image(
				painter = painterResource(R.drawable.ic_launcher_background),
				contentDescription = "Recipe image",
				modifier = Modifier.size(256.dp)
			)
		}
		Row(horizontalArrangement = Arrangement.Center, modifier = Modifier.fillMaxWidth()) {
			Text(
				text = recipe.title,
				modifier = Modifier.fillMaxWidth(),
				style = TextStyle(
					textAlign = TextAlign.Center,
					fontSize = 7.em,
				)
			)
		}
		Row(horizontalArrangement = Arrangement.End, modifier = Modifier.fillMaxWidth()) {
			for (tag in recipe.tags) {
				Text(
					text = tag,
					modifier = Modifier.padding(start = 8.dp)
				)
			}
		}
	}
}

@Preview(
	showBackground = true,
	name = "Light Mode"
)
@Preview(
	uiMode = Configuration.UI_MODE_NIGHT_YES,
	showBackground = true,
	name = "Dark Mode"
)
@Composable
fun RecipePreviewPreview() {
	RecipeTheme {
		Surface {
			RecipePreview(Recipe("Test", listOf("test", "test2", "test3")))
		}
	}
}