package com.example.ui.components

import android.net.Uri
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.Add
import androidx.compose.material.icons.filled.Fastfood
import androidx.compose.material.icons.filled.Remove
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.testTag
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import coil.compose.AsyncImage
import coil.request.ImageRequest
import com.example.R
import com.example.ui.theme.FreshVegGreen
import com.example.ui.theme.LoveRedPrimary
import com.example.ui.theme.NonVegRed

@Composable
fun VegNonVegBadge(
    isVeg: Boolean,
    modifier: Modifier = Modifier,
    size: Dp = 16.dp
) {
    val borderColor = if (isVeg) FreshVegGreen else NonVegRed
    val dotColor = if (isVeg) FreshVegGreen else NonVegRed

    Box(
        modifier = modifier
            .size(size)
            .border(1.5.dp, borderColor, RoundedCornerShape(3.dp))
            .padding(3.dp),
        contentAlignment = Alignment.Center
    ) {
        Box(
            modifier = Modifier
                .fillMaxSize()
                .background(dotColor, CircleShape)
        )
    }
}

@Composable
fun FoodItemImage(
    imageUri: String,
    contentDescription: String,
    modifier: Modifier = Modifier,
    contentScale: ContentScale = ContentScale.Crop
) {
    val context = LocalContext.current

    Box(
        modifier = modifier.background(Color(0xFFF1F5F9)),
        contentAlignment = Alignment.Center
    ) {
        when {
            imageUri == "img_special_biryani" -> {
                Image(
                    painter = painterResource(id = R.drawable.img_special_biryani),
                    contentDescription = contentDescription,
                    modifier = Modifier.fillMaxSize(),
                    contentScale = contentScale
                )
            }
            imageUri == "img_food_banner" -> {
                Image(
                    painter = painterResource(id = R.drawable.img_food_banner),
                    contentDescription = contentDescription,
                    modifier = Modifier.fillMaxSize(),
                    contentScale = contentScale
                )
            }
            imageUri == "logo_love_zone" -> {
                Image(
                    painter = painterResource(id = R.drawable.logo_love_zone),
                    contentDescription = contentDescription,
                    modifier = Modifier.fillMaxSize(),
                    contentScale = contentScale
                )
            }
            imageUri.isNotBlank() -> {
                AsyncImage(
                    model = ImageRequest.Builder(context)
                        .data(if (imageUri.startsWith("content://") || imageUri.startsWith("file://")) Uri.parse(imageUri) else imageUri)
                        .crossfade(true)
                        .build(),
                    contentDescription = contentDescription,
                    modifier = Modifier.fillMaxSize(),
                    contentScale = contentScale,
                    error = painterResource(id = R.drawable.logo_love_zone)
                )
            }
            else -> {
                // Fallback elegant Love Zone dish placeholder
                Image(
                    painter = painterResource(id = R.drawable.logo_love_zone),
                    contentDescription = contentDescription,
                    modifier = Modifier.fillMaxSize(),
                    contentScale = contentScale
                )
            }
        }
    }
}

@Composable
fun QuantityStepper(
    quantity: Int,
    onIncrement: () -> Unit,
    onDecrement: () -> Unit,
    modifier: Modifier = Modifier
) {
    Surface(
        modifier = modifier.testTag("quantity_stepper"),
        shape = RoundedCornerShape(8.dp),
        color = Color(0xFFFFF1F2),
        border = androidx.compose.foundation.BorderStroke(1.dp, LoveRedPrimary)
    ) {
        Row(
            verticalAlignment = Alignment.CenterVertically,
            modifier = Modifier.padding(horizontal = 4.dp, vertical = 2.dp)
        ) {
            IconButton(
                onClick = onDecrement,
                modifier = Modifier.size(28.dp).testTag("stepper_decrement")
            ) {
                Icon(
                    imageVector = Icons.Default.Remove,
                    contentDescription = "Decrease",
                    tint = LoveRedPrimary,
                    modifier = Modifier.size(16.dp)
                )
            }
            Text(
                text = "$quantity",
                color = LoveRedPrimary,
                fontWeight = FontWeight.Bold,
                fontSize = 14.sp,
                modifier = Modifier.padding(horizontal = 6.dp)
            )
            IconButton(
                onClick = onIncrement,
                modifier = Modifier.size(28.dp).testTag("stepper_increment")
            ) {
                Icon(
                    imageVector = Icons.Default.Add,
                    contentDescription = "Increase",
                    tint = LoveRedPrimary,
                    modifier = Modifier.size(16.dp)
                )
            }
        }
    }
}