/*
 * This file is part of the Flowee project
 * Copyright (C) 2025-2026 Tom Zander <tom@flowee.org>
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import QtQuick
import QtQuick.Controls.Basic as QQC2
import "../Flowee" as Flowee
import "../Utils.js" as Utils
import Flowee.org.pay

ListView {
    id: root
    property bool hideQRScanButton: true
    property bool active: false // true when this is the current tab

    model: RepeatPaymentsModel {
        id: repeatPaymentsModel
        combineWallets: allWalletsEntrySelected
        currentAccount: portfolio.current
    }

    onActiveChanged: {
        if (!active) // move 'approved' items to the proper section
            model.updateOrdering()
    }
    clip: true
    focus: true
    section.property: "section"
    section.labelPositioning: ViewSection.InlineLabels + ViewSection.CurrentLabelAtStart
    section.delegate: Item {
        height: label.height + 3
        width: root.width
        Flowee.Label {
            id: label
            x: 10
            font.bold: true
            font.pixelSize: mainWindow.font.pixelSize * 1.1
            text: {
                if (section == 1) // yes, 2 equals
                    return qsTr("Payments to Approve")
                if (section == 2) // yes, 2 equals
                    return qsTr("Approved Payments")
                return qsTr("Inactive Payments")
            }
        }
        MouseArea { anchors.fill: parent } // eat all taps
    }
    delegate: Rectangle {
        id: delegateRoot
        width: ListView.view.width
        height: 16 + amountFiat.height + 6 + comment.height + 6
                + approvedLine.height + 6 + walletChoice.height + 24
        color: palette.base

        property QtObject payment: model.payment

        Rectangle {
            anchors.fill: parent
            anchors.margins: 10
            gradient: Gradient {
                GradientStop {
                    position: Pay.useDarkSkin ? 2 : 1
                    color: Pay.useDarkSkin ? palette.midlight : palette.mid
                }
                GradientStop {
                    position: 0
                    color: palette.base
                }
            }
            radius: 10
            MouseArea {
                anchors.fill: parent
                onClicked: thePile.push("RepeatPaymentDetails.qml", { "savedPayment": model.payment })
            }
        }

        Flowee.BitcoinAmountLabel {
            id: amountBch
            value: model.valueSats
            x: 16
            y: 24
            showFiat: false
            colorize: false
            anchors.top: nextDate.bottom
            anchors.topMargin: 6
            visible: model.fiatFollows // check if the payment prefers fiat over sats
        }
        Flowee.Label {
            id: amountFiat
            text: {
                let txt = Fiat.formattedPrice(model.valueFiat)
                if (amountBch.visible)
                    return "(" + txt + ")"
                return txt
            }
            x: 16 + (amountBch.visible ? amountBch.width + 10 : 0)
            y: 24
            anchors.left: amountBch.visible ? amountBch.right : parent.left
            anchors.leftMargin: amountBch.visible ? 6 : 16
        }

        Flowee.Label {
            id: comment
            text: model.comment
            width: parent.width - 32
            elide: Text.ElideRight
            x: 16
            anchors.top: amountFiat.bottom
            height: text === "" ? 0 : contentHeight
        }

        Item {
            id: approvedLine
            property bool isEnabled: delegateRoot.payment.enabled
            anchors.top: comment.bottom
            anchors.topMargin: 6
            x: 16
            width: checkLabel.contentWidth + 20
            height: Math.max(24, checkLabel.contentHeight)

            Rectangle {
                radius: 4
                color: palette.base
                border.color: palette.highlight
                border.width: 1.3
                width: 24
                height: 24
                visible: approvedLine.isEnabled
                anchors.bottom: checkLabel.bottom
            }
            Flowee.Label {
                visible: approvedLine.isEnabled
                id: checkLabel
                x: 30
                text: {
                    let d = model.upcomingDate
                    let now = new Date()
                    // close to 'now', or in the past
                    if (d - now < 18 * 3600 * 1000) // 18h in ms
                        return qsTr("Approve to pay: today")
                    return qsTr("Approve to pay on %1", "The arg is a date").arg(Pay.formatDate(d))
                }
            }

            Flowee.CheckShape {
                id: check
                transformOrigin: Item.BottomLeft
                smooth: true
                scale: 1.6
                anchors.bottom: parent.bottom
                anchors.bottomMargin: 3
                visible: approvedLine.isEnabled && model.isApproved
            }
            MouseArea {
                anchors {
                    margins: -10
                    left: parent.left
                    top: parent.top
                    right: checkLabel.right
                    bottom: checkLabel.bottom
                }
                onClicked: delegateRoot.payment.approved = !delegateRoot.payment.approved
            }

            Flowee.Label {
                visible: !approvedLine.isEnabled
                text: qsTr("Paused")
                font.italic: true
            }
        }
        Flowee.Label {
            id: walletChoice
            anchors.left: approvedLine.left
            anchors.top: approvedLine.bottom
            anchors.topMargin: 6
            visible: !portfolio.singleAccountSetup && allWalletsEntrySelected
            text: qsTr("From wallet: %1").arg(delegateRoot.payment.accountName)
            height: visible ? contentHeight : 0
        }

        Flowee.HamburgerMenu {
            anchors.right: parent.right
            anchors.rightMargin: 25
            anchors.top: amountBch.top
            MouseArea {
                id: mouseArea
                anchors.fill: parent
                anchors.margins: -20
                onClicked: contextMenu.open()
            }
            Flowee.Popup {
                id: contextMenu
                x: -width - 5
                width: Math.max(150, Math.max(button1.implicitWidth, button2.implicitWidth))
                height: col.height

                Column {
                    id: col
                    width: parent.width - 20
                    x: 10
                    spacing: 10
                    TextButton {
                        id: button1
                        text: delegateRoot.payment.enabled ? qsTr("Pause") : qsTr("Resume")
                        onClicked: delegateRoot.payment.enabled = !delegateRoot.payment.enabled
                    }
                    TextButton {
                        id: button2
                        text: qsTr("Delete...")
                        onClicked: {
                            contextMenu.close()
                            okDeleteDiag.open()
                        }
                    }
                }
            }
        }
        Flowee.Dialog {
            id: okDeleteDiag
            title: qsTr("Confirm delete")
            text: qsTr("Do you really want to delete this repeating-payment?")
            onAccepted: Pay.removeRepeatPayment(delegateRoot.payment.payment)
        }
    }
}