package com.suno.android.common_ui.components.billing

import androidx.compose.foundation.background
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
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.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.HorizontalDivider
import androidx.compose.material3.Icon
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.alpha
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.res.vectorResource
import androidx.compose.ui.text.style.TextDecoration
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.suno.android.common_ui.R
import com.suno.android.common_ui.theme.ExtendedTheme
import com.suno.android.common_ui.theme.SunoTheme
import com.suno.android.common_res.R as CommonResR

@Composable
fun BillingSubscriptionOptionCard(
    modifier: Modifier = Modifier,
    planTitle: String,
    planPeriod: String,
    priceText: String,
    displayPeriod: String,
//    perksText: String,
    perksList: List<String>,
    isExternalStoreMode: Boolean,
    isActivePlan: Boolean = false,
    onPlanClick: () -> Unit = {},
    cardLoading: Boolean = false,
    prediscountPrice: String? = null,
) {
    Column(
        modifier = Modifier
            .background(
                shape = RoundedCornerShape(24.dp),
                color = Color(0xFFE8E1DC),
            )
            .height(400.dp)
            .fillMaxWidth(),
    ) {
        Column(
            modifier = Modifier.padding(
                start = 18.dp,
                end = 18.dp,
                top = 24.dp,
            ),
        ) {
            Row(
                modifier = Modifier.fillMaxWidth(),
                horizontalArrangement = Arrangement.SpaceBetween,
                verticalAlignment = Alignment.CenterVertically,
            ) {
                Text(
                    modifier = Modifier
                        .background(
                            color = Color.White,
                            shape = RoundedCornerShape(8.dp),
                        )
                        .padding(8.dp),
                    text = planTitle,
                    style = ExtendedTheme.typography.body,
                )
                Text(
                    modifier = Modifier.alpha(0.5f),
                    text = planPeriod,
                    style = ExtendedTheme.typography.body,
                )
            }

            if (prediscountPrice != null) {
                Text(
                    modifier = Modifier.padding(top = 16.dp, start = 4.dp),
                    text = prediscountPrice,
                    textDecoration = TextDecoration.LineThrough,
                    style = ExtendedTheme.typography.categoryHeadline,
                    color = ExtendedTheme.colors.textTertiary,
                )
            }

            Row(
                verticalAlignment = Alignment.Bottom,
                modifier = Modifier.padding(
                    bottom = 16.dp,
                    top = if (prediscountPrice == null) 16.dp else 0.dp,
                ),
            ) {
                Text(
                    text = priceText,
                    style = ExtendedTheme.typography.largeHeadline,
                )
                Text(
                    modifier = Modifier.padding(start = 4.dp, bottom = 4.dp),
                    text = if (displayPeriod == "monthly") {
                        stringResource(CommonResR.string.per_month)
                    } else if (displayPeriod == "annually") {
                        stringResource(CommonResR.string.per_year)
                    } else {
                        ""
                    },
                    style = ExtendedTheme.typography.categoryHeadline,
                )
            }
        }

        HorizontalDivider(
            thickness = 1.dp,
            color = Color(0xFFD5CFCA),
        )

        Column(
            modifier = Modifier
                .padding(horizontal = 18.dp, vertical = 16.dp)
                .weight(1f),
            verticalArrangement = Arrangement.SpaceBetween,
        ) {
            LazyColumn(
                modifier = Modifier
                    .weight(1f)
                    .padding(bottom = 16.dp),
            ) {
                items(perksList) { perksText ->
                    Text(
                        modifier = Modifier
                            .fillMaxWidth()
                            .padding(vertical = 8.dp),
                        text = perksText,
                        style = ExtendedTheme.typography.smallBody,
                        overflow = TextOverflow.Visible,
                        maxLines = 2,
                        lineHeight = 16.sp,
                    )
                }
            }

            Row(
                modifier = Modifier
                    .clip(RoundedCornerShape(8.dp))
                    .clickable(enabled = !isActivePlan || !cardLoading) {
                        onPlanClick.invoke()
                    }
                    .fillMaxWidth()
                    .height(64.dp)
                    .background(
                        color = if (isActivePlan || cardLoading) Color.Gray else Color.Black,
                    ),
                verticalAlignment = Alignment.CenterVertically,
                horizontalArrangement = Arrangement.Center,
            ) {
                if (cardLoading) {
                    CircularProgressIndicator(
                        modifier = Modifier
                            .padding(horizontal = 8.dp)
                            .size(24.dp),
                        color = Color.White,
                    )
                }

                Text(
                    text = if (cardLoading) {
                        "Loading..."
                    } else if (isActivePlan) {
                        "Active Plan"
                    } else {
                        "+ Select Plan"
                    },
                    style = ExtendedTheme.typography.body,
                    color = Color.White,
                )

                if (isExternalStoreMode && !cardLoading) {
                    Icon(
                        modifier = Modifier.padding(horizontal = 4.dp),
                        imageVector = ImageVector.vectorResource(
                            R.drawable.external_link,
                        ),
                        contentDescription = null,
                        tint = Color.White,
                    )
                }
            }
        }
    }
}

@Preview(showSystemUi = true)
@Composable
private fun BillingSubscriptionOptionCard_Preview() {
    SunoTheme {
        BillingSubscriptionOptionCard(
            planTitle = "Free plan",
            priceText = "$0",
            prediscountPrice = "$10",
            perksList = listOf(
                "50 daily credits (10 songs)",
                "Non-commercial terms",
                "No credit top ups",
            ),
            isActivePlan = true,
            planPeriod = "Billed annually (20% off)",
            isExternalStoreMode = true,
            cardLoading = false,
            displayPeriod = "annually",
        )
    }
}