TransactionsComposable.kt

/*
 * This file is part of GNU Taler
 * (C) 2024 Taler Systems S.A.
 *
 * GNU Taler is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3, or (at your option) any later version.
 *
 * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

package net.taler.wallet.transactions

import androidx.compose.animation.animateContentSize
import androidx.compose.foundation.basicMarquee
import androidx.compose.foundation.combinedClickable
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.IntrinsicSize
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.consumeWindowInsets
import androidx.compose.foundation.layout.defaultMinSize
import androidx.compose.foundation.layout.fillMaxHeight
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.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.rounded.CheckCircle
import androidx.compose.material.icons.rounded.RadioButtonUnchecked
import androidx.compose.material3.Badge
import androidx.compose.material3.ElevatedCard
import androidx.compose.material3.HorizontalDivider
import androidx.compose.material3.Icon
import androidx.compose.material3.ListItem
import androidx.compose.material3.ListItemColors
import androidx.compose.material3.ListItemDefaults
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.ProvideTextStyle
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Alignment.Companion.Center
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.hapticfeedback.HapticFeedbackType
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalHapticFeedback
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import net.taler.common.Amount
import net.taler.common.CurrencySpecification
import net.taler.common.Timestamp
import net.taler.lib.android.toRelativeTime
import net.taler.wallet.BottomInsetsSpacer
import net.taler.wallet.R
import net.taler.wallet.backend.TalerErrorCode
import net.taler.wallet.backend.TalerErrorInfo
import net.taler.wallet.balances.BalanceItem
import net.taler.wallet.balances.ScopeInfo.Exchange
import net.taler.wallet.cleanExchange
import net.taler.wallet.compose.Banner
import net.taler.wallet.compose.LoadingScreen
import net.taler.wallet.compose.TalerSurface
import net.taler.wallet.compose.cardPaddings
import net.taler.wallet.transactions.AmountType.Negative
import net.taler.wallet.transactions.AmountType.Neutral
import net.taler.wallet.transactions.AmountType.Positive
import net.taler.wallet.transactions.TransactionAction.Abort
import net.taler.wallet.transactions.TransactionAction.Retry
import net.taler.wallet.transactions.TransactionAction.Suspend
import net.taler.wallet.transactions.TransactionMajorState.Aborted
import net.taler.wallet.transactions.TransactionMajorState.Aborting
import net.taler.wallet.transactions.TransactionMajorState.Dialog
import net.taler.wallet.transactions.TransactionMajorState.Done
import net.taler.wallet.transactions.TransactionMajorState.Expired
import net.taler.wallet.transactions.TransactionMajorState.Failed
import net.taler.wallet.transactions.TransactionMajorState.Pending
import net.taler.wallet.transactions.TransactionMajorState.Suspended
import net.taler.wallet.transactions.TransactionMajorState.SuspendedAborting
import net.taler.wallet.transactions.TransactionMajorState.SuspendedFinalizing
import net.taler.wallet.transactions.TransactionMinorState.BalanceKycRequired
import net.taler.wallet.transactions.TransactionMinorState.BankConfirmTransfer
import net.taler.wallet.transactions.TransactionMinorState.KycAuthRequired
import net.taler.wallet.transactions.TransactionMinorState.KycInit
import net.taler.wallet.transactions.TransactionMinorState.KycRequired
import net.taler.wallet.transactions.TransactionMinorState.Repurchase
import net.taler.wallet.transactions.TransactionsResult.Error
import net.taler.wallet.transactions.TransactionsResult.None
import net.taler.wallet.transactions.TransactionsResult.Success
import net.taler.wallet.ui.theme.TalerTheme

@Composable
fun TransactionsComposable(
    innerPadding: PaddingValues,
    balance: BalanceItem,
    txResult: TransactionsResult,
    stateFilter: TransactionStateFilter?,
    onTransactionClick: (tx: Transaction) -> Unit,
    selectionMode: Boolean,
    selectedItems: MutableList<String>,
    onToggleSelection: (String) -> Unit,
) {
    Column(Modifier.fillMaxSize()) {
        LazyColumn(
            Modifier
                .weight(1f)
                .consumeWindowInsets(innerPadding),
            contentPadding = innerPadding,
        ) {
            item {
                TransactionsHeader(balance)
            }

            when (stateFilter) {
                TransactionStateFilter.Nonfinal -> item {
                    Banner(Modifier.padding(bottom = 6.dp)) {
                        Text(
                            modifier = Modifier
                                .fillMaxWidth(),
                            text = stringResource(R.string.transactions_filter_nonfinal),
                            style = MaterialTheme.typography.labelLarge,
                            textAlign = TextAlign.Center,
                        )
                    }
                }
                else -> {}
            }

            val placeholderPadding = PaddingValues(vertical = 50.dp)
            when (txResult) {
                is Success -> if (txResult.transactions.isEmpty()) item {
                    Box(Modifier.padding(placeholderPadding)) {
                        EmptyTransactionsComposable()
                    }
                } else {
                    items(txResult.transactions, key = { it.transactionId }) { tx ->
                        val isSelected = selectedItems.contains(tx.transactionId)

                        TransactionRow(
                            tx,
                            isSelected = isSelected,
                            selectionMode = selectionMode,
                            onTransactionClick = {
                                if (selectionMode) {
                                    onToggleSelection(tx.transactionId)
                                } else {
                                    onTransactionClick(tx)
                                }
                            },
                            onTransactionSelect = {
                                onToggleSelection(tx.transactionId)
                            },
                        )
                    }
                }

                is None -> item {
                    Box(Modifier.padding(placeholderPadding)) {
                        LoadingScreen()
                    }
                }
                is Error -> item {
                    Box(Modifier.padding(placeholderPadding)) {
                        ErrorTransactionsComposable(txResult.error)
                    }
                }
            }

            item {
                BottomInsetsSpacer()
            }
        }
    }
}

@Composable
fun EmptyTransactionsComposable() {
    Box(
        modifier = Modifier.fillMaxSize(),
        contentAlignment = Center,
    ) {
        Text(
            stringResource(R.string.transactions_empty),
            textAlign = TextAlign.Center,
            style = MaterialTheme.typography.bodyMedium,
        )
    }
}

@Composable
fun ErrorTransactionsComposable(error: TalerErrorInfo) {
    Text(
        text = stringResource(R.string.transactions_error, error.userFacingMsg),
        style = MaterialTheme.typography.titleLarge,
        color = MaterialTheme.colorScheme.error,
    )
}

@Composable
fun TransactionsHeader(
    balance: BalanceItem,
) {
    Row(
        modifier = Modifier.fillMaxWidth(),
        verticalAlignment = Alignment.CenterVertically,
    ) {
        ElevatedCard(
            Modifier
                .weight(1f)
                .cardPaddings()
        ) {
            ListItem(
                modifier = Modifier.animateContentSize(),
                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
                headlineContent = {
                    Text(
                        getHeaderCurrency(balance, balance.available.spec),
                        modifier = Modifier.weight(1f, fill = false),
                        style = MaterialTheme.typography.titleMedium,
                        overflow = TextOverflow.Ellipsis,
                        maxLines = 1,
                    )
                },
                supportingContent = {
                    if (balance.scopeInfo is Exchange) {
                        Text(
                            cleanExchange(balance.scopeInfo.url),
                            modifier = Modifier
                                .padding(top = 3.dp)
                                .basicMarquee(),
                            style = MaterialTheme.typography.bodySmall,
                        )
                    }
                },
            )
        }

        Column(
            modifier = Modifier.padding(16.dp),
            horizontalAlignment = Alignment.End,
        ) {
            Text(
                stringResource(R.string.transactions_balance),
                modifier = Modifier.padding(bottom = 6.dp),
                style = MaterialTheme.typography.bodySmall,
            )

            Text(
                balance.available.toString(showSymbol = false),
                style = MaterialTheme.typography.titleLarge,
                fontWeight = FontWeight.Bold,
            )
        }
    }
}

@Composable
fun TransactionRow(
    tx: Transaction,
    isSelected: Boolean,
    selectionMode: Boolean,
    colors: ListItemColors = ListItemDefaults.colors(),
    selectedColors: ListItemColors = ListItemDefaults.colors(
        containerColor = MaterialTheme.colorScheme.secondaryContainer,
    ),
    onTransactionClick: () -> Unit,
    onTransactionSelect: () -> Unit,
) {
    val haptic = LocalHapticFeedback.current

    Column {
        ListItem(
            modifier = Modifier
                .height(IntrinsicSize.Min)
                .defaultMinSize(minHeight = 80.dp)
                .combinedClickable(
                    onClick = onTransactionClick,
                    onLongClick = {
                        haptic.performHapticFeedback(HapticFeedbackType.LongPress)
                        onTransactionSelect()
                    },
                ),
            colors = if (isSelected) {
                selectedColors
            } else {
                colors
            },
            trailingContent = {
                Box(
                    modifier = Modifier
                        .fillMaxHeight()
                        .padding(8.dp),
                    contentAlignment = Center,
                ) {
                    TransactionAmountInfo(tx)
                }
            },
            leadingContent = {
                Box(
                    modifier = Modifier
                        .fillMaxHeight()
                        .padding(8.dp),
                    contentAlignment = Center,
                ) {
                    if (!selectionMode) {
                        Icon(painterResource(tx.icon), contentDescription = null)
                    } else if (isSelected) {
                        Icon(
                            Icons.Rounded.CheckCircle,
                            contentDescription = null,
                            tint = MaterialTheme.colorScheme.primary,
                        )
                    } else {
                        Icon(
                            Icons.Rounded.RadioButtonUnchecked,
                            contentDescription = null,
                            tint = MaterialTheme.colorScheme.outline,
                        )
                    }
                }
            },
            headlineContent = {
                Column(Modifier.padding(vertical = 8.dp)) {
                    Text(
                        text = tx.timestamp.ms.toRelativeTime(LocalContext.current).toString(),
                        style = MaterialTheme.typography.labelSmall,
                        color = MaterialTheme.colorScheme.onSurfaceVariant,
                    )
                    Text(
                        tx.getTitle(),
                        modifier = Modifier.padding(vertical = 3.dp),
                        style = MaterialTheme.typography.titleMedium,
                    )
                    ProvideTextStyle(
                        MaterialTheme.typography.bodyMedium.copy(
                            color = MaterialTheme.colorScheme.onSurfaceVariant
                        )
                    ) {
                        TransactionExtraInfo(tx)
                    }
                }
            },
        )

        HorizontalDivider()
    }
}

@Composable
fun TransactionAmountInfo(
    tx: Transaction,
) {
    Column(horizontalAlignment = Alignment.End) {
        ProvideTextStyle(MaterialTheme.typography.titleLarge) {
            val amountStr = tx.amountEffective.toString(showSymbol = false)
            if (tx.amountEffective.isZero()) {
                Text(amountStr)
            } else when (tx.amountType) {
                Positive -> Text(
                    stringResource(R.string.amount_positive, amountStr),
                    color = if (tx.txState.major == Pending || tx.txState.major == Dialog)
                        Color.Unspecified else TalerTheme.extraColors.success,
                )
                Negative -> Text(
                    stringResource(R.string.amount_negative, amountStr),
                    color = if (tx.txState.major == Pending || tx.txState.major == Dialog)
                        Color.Unspecified else MaterialTheme.colorScheme.error,
                )
                Neutral -> Text(amountStr)
            }
        }

        if (tx.txState.major == Pending || tx.txState.major == Dialog) {
            Badge(
                Modifier.padding(top = 3.dp),
                containerColor = MaterialTheme.colorScheme.secondary,
            ) {
                Text(stringResource(R.string.transaction_pending))
            }
        }
    }
}

@Composable
fun TransactionExtraInfo(tx: Transaction) {
    when {
        tx.txState.major == Aborted -> Text(
            stringResource(R.string.payment_aborted),
            color = MaterialTheme.colorScheme.error,
        )

        tx.txState.minor == Repurchase -> Text(
            stringResource(R.string.payment_repurchase),
        )

        tx.txState.major == Failed -> Text(
            stringResource(R.string.payment_failed),
            color = MaterialTheme.colorScheme.error,
        )

        tx.txState.major == Aborting -> Text(
            stringResource(R.string.payment_aborting),
            color = MaterialTheme.colorScheme.error,
        )

        tx.txState.major == Pending -> when(tx.txState.minor) {
            BankConfirmTransfer -> Text(stringResource(R.string.withdraw_waiting_confirm))
            KycInit -> Text(stringResource(R.string.transaction_preparing_kyc))
            KycRequired,
            KycAuthRequired,
            BalanceKycRequired  -> Text(stringResource(R.string.transactions_required_kyc))
            else -> {}
        }

        tx.txState.major == Dialog -> {}

        tx.txState.major == Suspended ||
            tx.txState.major == SuspendedFinalizing ||
            tx.txState.major == SuspendedAborting -> Text(
            stringResource(R.string.transaction_state_suspended),
            color = MaterialTheme.colorScheme.error,
        )

        tx.txState.major == Expired -> Text(
            stringResource(R.string.transaction_state_expired),
            color = MaterialTheme.colorScheme.error,
        )

        tx is TransactionWithdrawal && !tx.confirmed -> Text(stringResource(R.string.withdraw_waiting_confirm))
        tx is TransactionPeerPushCredit && tx.info.summary != null -> Text(tx.info.summary)
        tx is TransactionPeerPushDebit && tx.info.summary != null -> Text(tx.info.summary)
        tx is TransactionPeerPullCredit && tx.info.summary != null -> Text(tx.info.summary)
        tx is TransactionPeerPullDebit && tx.info.summary != null -> Text(tx.info.summary)
    }
}

@Composable
private fun getHeaderCurrency(
    balance: BalanceItem,
    spec: CurrencySpecification?,
) = if (spec != null) {
    if (spec.symbol != null && spec.name != spec.symbol) {
        // Name (symbol)
        stringResource(R.string.transactions_currency, spec.name, spec.symbol!!)
    } else if (spec.name != balance.currency) {
        // Name (currency string)
        stringResource(R.string.transactions_currency, spec.name, balance.currency)
    } else balance.currency
} else balance.currency

private val previewBalance = BalanceItem(
    scopeInfo = Exchange("MXN", "https://exchange.taler.banxico.org.mx"),
    available = Amount.fromJSONString("MXN:5.50"),
    pendingIncoming = Amount.fromJSONString("MXN:1.40"),
    pendingOutgoing = Amount.fromJSONString("MXN:0"),
    disablePeerPayments = false,
)

@Preview
@Composable
fun TransactionsComposableDonePreview() {
    val t = TransactionWithdrawal(
        transactionId = "transactionId",
        timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
        txState = TransactionState(Done),
        txActions = listOf(Retry, Suspend, Abort),
        exchangeBaseUrl = "https://exchange.demo.taler.net/",
        withdrawalDetails = WithdrawalDetails.TalerBankIntegrationApi(false),
        amountRaw = Amount.fromString("TESTKUDOS", "42.23"),
        amountEffective = Amount.fromString("TESTKUDOS", "42.1337"),
        error = TalerErrorInfo(code = TalerErrorCode.WALLET_WITHDRAWAL_KYC_REQUIRED),
        scopes = listOf(Exchange(
            currency = "TESTKUDOS",
            url = "exchange.test.taler.net",
        ))
    )

    val transactions = listOf(t)

    TalerSurface {
        TransactionsComposable(
            innerPadding = PaddingValues(0.dp),
            balance = previewBalance,
            stateFilter = null,
            txResult = Success(transactions),
            onTransactionClick = {},
            selectionMode = false,
            selectedItems = mutableListOf(),
            onToggleSelection = {},
        )
    }
}

@Preview
@Composable
fun TransactionsComposablePendingPreview() {
    val t = TransactionWithdrawal(
        transactionId = "transactionId",
        timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
        txState = TransactionState(Pending),
        txActions = listOf(Retry, Suspend, Abort),
        exchangeBaseUrl = "https://exchange.demo.taler.net/",
        withdrawalDetails = WithdrawalDetails.TalerBankIntegrationApi(false),
        amountRaw = Amount.fromString("TESTKUDOS", "42.23"),
        amountEffective = Amount.fromString("TESTKUDOS", "42.1337"),
        error = TalerErrorInfo(code = TalerErrorCode.WALLET_WITHDRAWAL_KYC_REQUIRED),
        scopes = listOf(Exchange(
            currency = "TESTKUDOS",
            url = "exchange.test.taler.net",
        ))
    )

    val transactions = listOf(t)

    TalerSurface {
        TransactionsComposable(
            innerPadding = PaddingValues(0.dp),
            balance = previewBalance,
            txResult = Success(transactions),
            stateFilter = TransactionStateFilter.Nonfinal,
            onTransactionClick = {},
            selectionMode = false,
            selectedItems = mutableListOf(),
            onToggleSelection = {},
        )
    }
}

@Preview
@Composable
fun TransactionsComposableEmptyPreview() {
    TalerSurface {
        TransactionsComposable(
            innerPadding = PaddingValues(0.dp),
            balance = previewBalance,
            txResult = Success(listOf()),
            stateFilter = null,
            onTransactionClick = {},
            selectionMode = false,
            selectedItems = mutableListOf(),
            onToggleSelection = {},
        )
    }
}

@Preview
@Composable
fun TransactionsComposableLoadingPreview() {
    TalerSurface {
        TransactionsComposable(
            innerPadding = PaddingValues(0.dp),
            balance = previewBalance,
            txResult = None,
            stateFilter = null,
            onTransactionClick = {},
            selectionMode = false,
            selectedItems = mutableListOf(),
            onToggleSelection = {},
        )
    }
}