package com.socialapp.presentation.ui.screens

import androidx.compose.foundation.background
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
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.height
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.foundation.shape.CircleShape
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.Edit
import androidx.compose.material3.Divider
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.MaterialTheme
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.text.font.FontWeight
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.socialapp.presentation.ui.theme.AccentMagenta

@Composable
fun SettingsScreen(
    onBackClick: () -> Unit = {},
    onEditProfileClick: () -> Unit = {},
    onLogoutClick: () -> Unit = {}
) {
    Column(
        modifier = Modifier
            .fillMaxSize()
            .background(MaterialTheme.colorScheme.background)
    ) {
        // Header
        Row(
            modifier = Modifier
                .fillMaxWidth()
                .padding(16.dp),
            verticalAlignment = Alignment.CenterVertically
        ) {
            IconButton(onClick = onBackClick, modifier = Modifier.size(36.dp)) {
                Icon(
                    imageVector = Icons.Default.Edit,
                    contentDescription = "Back",
                    tint = MaterialTheme.colorScheme.onBackground,
                    modifier = Modifier.size(20.dp)
                )
            }
            Spacer(modifier = Modifier.width(12.dp))
            Text(
                text = "Settings",
                fontSize = 20.sp,
                fontWeight = FontWeight.Bold
            )
        }

        LazyColumn(
            modifier = Modifier
                .fillMaxSize()
                .padding(horizontal = 12.dp)
        ) {
            // Profile & Account Section
            item {
                SectionHeader("Profile & Account")
            }

            item {
                SettingCard(
                    title = "Rohim",
                    subtitle = "Personal account",
                    hasChevron = true
                )
            }

            item {
                SettingCardWithIcon(
                    icon = "✎",
                    title = "Edit Profile",
                    onClick = onEditProfileClick,
                    hasChevron = true
                )
            }

            item {
                SettingCardWithIcon(
                    icon = "@",
                    title = "Username",
                    subtitle = "@rohim.916",
                    hasEditIcon = true
                )
            }

            item {
                Spacer(modifier = Modifier.height(8.dp))
                SectionHeader("Verification")
            }

            item {
                SettingCardWithIcon(
                    icon = "✓",
                    title = "Account Verification",
                    hasChevron = true
                )
            }

            item {
                Spacer(modifier = Modifier.height(8.dp))
                SectionHeader("Activity")
            }

            item {
                SettingCardWithIcon(
                    icon = "👁",
                    title = "View Profile",
                    hasChevron = true
                )
            }

            item {
                Spacer(modifier = Modifier.height(8.dp))
                SectionHeader("Creator")
            }

            item {
                SettingCardWithIcon(
                    icon = "📊",
                    title = "Professional Dashboard",
                    subtitle = "Insights, content analytics & monetization",
                    hasChevron = true
                )
            }

            item {
                SettingCardWithIcon(
                    icon = "💰",
                    title = "Social Balance",
                    subtitle = "Recharge, earnings, withdrawals and payment history",
                    hasChevron = true
                )
            }

            item {
                Spacer(modifier = Modifier.height(24.dp))
            }
        }
    }
}

@Composable
private fun SectionHeader(title: String) {
    Text(
        text = title,
        fontSize = 14.sp,
        color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.5f),
        fontWeight = FontWeight.SemiBold,
        modifier = Modifier.padding(vertical = 12.dp, horizontal = 12.dp)
    )
}

@Composable
private fun SettingCard(
    title: String,
    subtitle: String? = null,
    hasChevron: Boolean = false
) {
    Column(
        modifier = Modifier
            .fillMaxWidth()
            .clip(RoundedCornerShape(16.dp))
            .background(MaterialTheme.colorScheme.surface)
            .clickable { }
            .padding(16.dp)
    ) {
        Row(
            modifier = Modifier.fillMaxWidth(),
            verticalAlignment = Alignment.CenterVertically
        ) {
            Column(modifier = Modifier.weight(1f)) {
                Text(
                    text = title,
                    fontSize = 16.sp,
                    fontWeight = FontWeight.SemiBold
                )
                if (subtitle != null) {
                    Spacer(modifier = Modifier.height(4.dp))
                    Text(
                        text = subtitle,
                        fontSize = 13.sp,
                        color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
                    )
                }
            }
            if (hasChevron) {
                Icon(
                    imageVector = Icons.Default.Edit,
                    contentDescription = null,
                    modifier = Modifier.size(20.dp),
                    tint = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.4f)
                )
            }
        }
    }
    Spacer(modifier = Modifier.height(12.dp))
}

@Composable
private fun SettingCardWithIcon(
    icon: String,
    title: String,
    subtitle: String? = null,
    hasChevron: Boolean = false,
    hasEditIcon: Boolean = false,
    onClick: () -> Unit = {}
) {
    Column(
        modifier = Modifier
            .fillMaxWidth()
            .clip(RoundedCornerShape(16.dp))
            .background(MaterialTheme.colorScheme.surface)
            .clickable { onClick() }
            .padding(12.dp)
    ) {
        Row(
            modifier = Modifier
                .fillMaxWidth(),
            verticalAlignment = Alignment.CenterVertically
        ) {
            // Icon
            Box(
                modifier = Modifier
                    .size(40.dp)
                    .clip(CircleShape)
                    .background(AccentMagenta.copy(alpha = 0.1f)),
                contentAlignment = Alignment.Center
            ) {
                Text(text = icon, fontSize = 20.sp)
            }

            Spacer(modifier = Modifier.width(12.dp))

            // Title and Subtitle
            Column(modifier = Modifier.weight(1f)) {
                Text(
                    text = title,
                    fontSize = 16.sp,
                    fontWeight = FontWeight.SemiBold
                )
                if (subtitle != null) {
                    Spacer(modifier = Modifier.height(4.dp))
                    Text(
                        text = subtitle,
                        fontSize = 13.sp,
                        color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
                    )
                }
            }

            // Right Icon
            if (hasChevron) {
                Icon(
                    imageVector = Icons.Default.Edit,
                    contentDescription = null,
                    modifier = Modifier.size(20.dp),
                    tint = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.4f)
                )
            }
            if (hasEditIcon) {
                Icon(
                    imageVector = Icons.Default.Edit,
                    contentDescription = null,
                    modifier = Modifier.size(18.dp),
                    tint = AccentMagenta
                )
            }
        }
    }
    Spacer(modifier = Modifier.height(12.dp))
}