import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import QtQuick.Window 2.15
import QtQml.Models 2.15

import StatusQ 0.1
import StatusQ.Core.Utils 0.1

import Models 1.0
import Storybook 1.0

Control {
    id: root

    UsersModel {
        id: usersModel
    }

    ModelEntry {
        id: itemData
        sourceModel: usersModel
        key: "pubKey"
        value: pubKeySelector.currentText
        
        onItemChanged: signalsModel.append({        signal: "Item changed",     value: "", row: itemData.row, item: itemData.item, roles: JSON.stringify(itemData.roles), available: itemData.available})
        onRowChanged: signalsModel.append({         signal: "Row changed",      value: "", row: itemData.row, item: itemData.item, roles: JSON.stringify(itemData.roles), available: itemData.available})
        onAvailableChanged: signalsModel.append({   signal: "Available changed",value: "", row: itemData.row, item: itemData.item, roles: JSON.stringify(itemData.roles), available: itemData.available})
        onRolesChanged: signalsModel.append({       signal: "Roles changed",    value: "", row: itemData.row, item: itemData.item, roles: JSON.stringify(itemData.roles), available: itemData.available})
    }

    Instantiator {
        model: itemData.roles
        delegate: QtObject {
            property var connection: {
                return Qt.createQmlObject(`
                    import QtQml 2.15
                    Connections {
                        target: itemData.item
                        function on${modelData.charAt(0).toUpperCase() + modelData.slice(1)}Changed() {
                            signalsModel.append({ signal: "${modelData} changed", value: itemData.item.${modelData}, row: itemData.row, item: itemData.item, roles: JSON.stringify(itemData.roles), available: itemData.available})
                        }
                    }
                `, this, "dynamicConnectionOn${modelData}")
            }
        }
    }

    ListModel {
        id: signalsModel
    }
    
    contentItem: ColumnLayout {
        anchors.fill: parent
        Pane {
            Layout.fillWidth: true
            background: Rectangle {
                border.width: 1
                border.color: "lightgray"
            }
            contentItem: ColumnLayout {
                Label {
                    text: "User with pubKey " + itemData.value
                    font.bold: true
                }
                Label {
                    text: "Data available: " + itemData.available
                    font.bold: true
                }
                Label {
                    text: "Keys: " + itemData.roles
                    font.bold: true
                }
                Label {
                    text: "Item removed from model: " + itemData.itemRemovedFromModel
                    font.bold: true
                }
            }
        }

        Loader {
            Layout.fillWidth: true
            active: itemData.available
            sourceComponent: Pane {
                background: Rectangle {
                    border.width: 1
                    border.color: "lightgray"
                }
                contentItem: ColumnLayout {
                    Repeater {
                        model: itemData.roles
                        delegate: Label {
                            text: modelData + ": " + itemData.item[modelData]
                        }
                    }
                }
            }
        }

        GenericListView {
            Layout.fillWidth: true
            Layout.fillHeight: true
            model: usersModel
            insetComponent: RowLayout {
                Button {
                    height: 20
                    font.pixelSize: 11
                    text: "remove"
                    highlighted: model.index === itemData.row

                    onClicked: {
                        usersModel.remove(model.index)
                    }
                }
                Button {
                    height: 20
                    font.pixelSize: 11
                    text: "edit"
                    highlighted: model.index === itemData.row

                    onClicked: {
                        menu.row = model.index
                        menu.popup()
                    }
                }
            }
        }
        GenericListView {
            Layout.fillWidth: true
            Layout.fillHeight: true
            visible: showSignals.checked && !!count
            model: signalsModel
            header:  Label {
                width: parent.width
                text: "Item Signals"
                font.bold: true
                font.pixelSize: 16
                bottomPadding: 20
                Button {
                    anchors.right: parent.right
                    text: "clear"
                    onClicked: signalsModel.clear()
                }
            }
        }
        Pane {
            contentItem: RowLayout {
                ComboBox {
                    Layout.preferredWidth: 250
                    id: pubKeySelector
                    model: [...ModelUtils.modelToFlatArray(usersModel, "pubKey"), "none"]
                }
                CheckBox {
                    text: "Cache item on removal"
                    checked: itemData.cacheOnRemoval
                    onCheckedChanged: {
                        itemData.cacheOnRemoval = checked
                    }
                }
                CheckBox {
                    id: showSignals
                    text: "Show signals"
                }
            }
        }
    }

    Menu {
        id: menu

        property int row: -1

        readonly property var modelItem: usersModel.get(row)

        contentItem: ColumnLayout {
            Label {
                text: "Edit user"
                font.bold: true
            }
            TextField {
                id: pubKeyField
                placeholderText: "pubKey"
                enabled: !!menu.modelItem
                text: !!menu.modelItem ? menu.modelItem.pubKey : ""
                onAccepted: usersModel.setProperty(menu.row, "pubKey", pubKeyField.text)
            }
            TextField {
                id: displayNameField
                placeholderText: "displayName"
                enabled: !!menu.modelItem
                text: !!menu.modelItem ? menu.modelItem.displayName : ""
                onAccepted: usersModel.setProperty(menu.row, "displayName", displayNameField.text)
            }
            TextField {
                id: ensNameField
                placeholderText: "ensName"
                enabled: !!menu.modelItem
                text: !!menu.modelItem ? menu.modelItem.ensName : ""
                onAccepted: usersModel.setProperty(menu.row, "ensName", ensNameField.text)
            }
        }
    }
}

// category: Models