package com.craigvg.lichun_android.utils

import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.draw.shadow
import androidx.compose.ui.graphics.Brush
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import com.craigvg.lichun_android.ui.theme.AppColors
import com.craigvg.lichun_android.ui.theme.AppSpacing

/**
 * Common Compose modifier chains
 * Ported from iOS View+Extensions.swift
 */

/**
 * Standard card style with elevation, rounded corners, and surface background.
 */
fun Modifier.cardStyle(
    cornerRadius: Dp = AppSpacing.cornerRadius,
    elevation: Dp = AppSpacing.cardElevation,
    backgroundColor: Color = AppColors.surfaceElevated
): Modifier = this
    .shadow(elevation = elevation, shape = RoundedCornerShape(cornerRadius))
    .clip(RoundedCornerShape(cornerRadius))
    .background(backgroundColor)

/**
 * Glass-effect style with translucent background and subtle border.
 */
fun Modifier.glassEffect(
    cornerRadius: Dp = AppSpacing.cornerRadius,
    alpha: Float = 0.7f
): Modifier = this
    .clip(RoundedCornerShape(cornerRadius))
    .background(AppColors.surfaceElevated.copy(alpha = alpha))
    .border(
        width = 1.dp,
        color = Color.White.copy(alpha = 0.2f),
        shape = RoundedCornerShape(cornerRadius)
    )

/**
 * Pill-shaped modifier for tags and badges.
 */
fun Modifier.pillStyle(
    backgroundColor: Color = AppColors.primary.copy(alpha = 0.1f)
): Modifier = this
    .clip(RoundedCornerShape(AppSpacing.pillCornerRadius))
    .background(backgroundColor)

/**
 * Gradient background modifier.
 */
fun Modifier.gradientBackground(
    colors: List<Color>,
    cornerRadius: Dp = AppSpacing.cornerRadius
): Modifier = this
    .clip(RoundedCornerShape(cornerRadius))
    .background(Brush.linearGradient(colors))

/**
 * Conditionally applies a modifier.
 */
inline fun Modifier.conditional(
    condition: Boolean,
    modifier: Modifier.() -> Modifier
): Modifier = if (condition) this.modifier() else this