import QtQuick 2.13
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.13

import utils 1.0
import shared.panels 1.0
import shared.popups 1.0

import StatusQ.Core 0.1
import StatusQ.Core.Theme 0.1
import StatusQ.Core.Utils 0.1 as StatusQUtils
import StatusQ.Components 0.1
import StatusQ.Controls 0.1

import "../popups"
import "../stores"

import SortFilterProxyModel 0.2

SettingsContentBase {
    id: root

    property LanguageStore languageStore
    property var currencyStore

    objectName: "languageView"
    onVisibleChanged: { if(!visible) root.setViewIdleState()}
    onBaseAreaClicked: { root.setViewIdleState() }

    Component.onCompleted: {
        root.currencyStore.updateCurrenciesModel()
    }

    function setViewIdleState() {
        currencyPicker.close()
        languagePicker.close()
    }

    function changeLanguage(key) {
        languagePicker.newKey = key
        languagePause.start()
    }

    ColumnLayout {
        spacing: Constants.settingsSection.itemSpacing
        width: root.contentWidth

        Item {
            id: currency
            Layout.fillWidth: true
            Layout.leftMargin: Style.current.padding
            Layout.rightMargin: Style.current.padding
            height: 38
            z: root.z + 2

            StatusBaseText {
                text: qsTr("Set Display Currency")
                anchors.left: parent.left
                font.pixelSize: 15
                color: Theme.palette.directColor1
            }
            StatusListPicker {
                id: currencyPicker

                property string newKey

                Timer {
                    id: currencyPause
                    interval: 100
                    onTriggered: {
                        // updateCurrency function operation blocks a little bit the UI so getting around it with a small pause (timer) in order to get the desired visual behavior
                        root.currencyStore.updateCurrency(currencyPicker.newKey)
                    }
                }

                z: root.z + 2
                width: 104
                height: parent.height
                anchors.right: parent.right
                inputList: root.currencyStore.currenciesModel
                printSymbol: true
                placeholderSearchText: qsTr("Search Currencies")
                maxPickerHeight: 350

                onItemPickerChanged: {
                    if(selected) {
                        currencyPicker.newKey = key
                        currencyPause.start()
                    }
                }
            }
        }

        Item {
            id: language
            Layout.fillWidth: true
            Layout.leftMargin: Style.current.padding
            Layout.rightMargin: Style.current.padding
            height: 38
            z: root.z + 1

            StatusBaseText {
                text: qsTr("Language")
                anchors.left: parent.left
                font.pixelSize: 15
                color: Theme.palette.directColor1
            }
            StatusListPicker {
                id: languagePicker

                property string newKey

                function descriptionForState(state) {
                    if (state === Constants.translationsState.alpha) return qsTr("Alpha languages")
                    if (state === Constants.translationsState.beta) return qsTr("Beta languages")
                    return ""
                }

                Timer {
                    id: languagePause
                    interval: 100
                    onTriggered: {
                        // changeLanguage function operation blocks a little bit the UI so getting around it with a small pause (timer) in order to get the desired visual behavior
                        root.languageStore.changeLanguage(languagePicker.newKey)
                    }
                }
                objectName: "languagePicker"
                inputList: SortFilterProxyModel {
                    sourceModel: root.languageStore.languageModel

                    // !Don't use proxy roles cause they harm performance a lot!
                    // "category" is the only role that can't be mocked by StatusListPicker::proxy
                    // due to StatusListPicker internal implementation limitation (ListView's section.property)
                    proxyRoles: [
                        ExpressionRole {
                            name: "category"
                            expression: languagePicker.descriptionForState(model.state)
                        }
                    ]

                    sorters: [
                        RoleSorter {
                            roleName: "state"
                            sortOrder: Qt.DescendingOrder
                        },
                        StringSorter {
                            roleName: "name"
                        }
                    ]
                }

                proxy {
                    key: (model) => model.locale
                    name: (model) => model.name
                    shortName: (model) => model.native
                    symbol: (model) => ""
                    imageSource: (model) => StatusQUtils.Emoji.iconSource(model.flag)
                    selected: (model) => model.locale === root.languageStore.currentLanguage
                    setSelected: (model, val) => null // readonly
                }

                z: root.z + 1
                width: 104
                height: parent.height
                anchors.right: parent.right
                placeholderSearchText: qsTr("Search Languages")
                maxPickerHeight: 350

                onItemPickerChanged: {
                    if(selected && root.languageStore.currentLanguage !== key) {
                        // IMPORTANT: Workaround to temporary resolve the crash we have when language is changed (`startupModule` is null and some qml bindings are still calling this dead pointer) so, change language will not retranslate
                        // and instead, also on mac and win, the app will quit to apply the new language
                        // TEMPORARY: It should be removed as it is only used in Linux OS but it must be investigated how to change language in execution time, as well, in Linux (will be addressed in another task)
                        //if (Qt.platform.os === Constants.linux) {
                            root.changeLanguage(key)
                            linuxConfirmationDialog.active = true
                            linuxConfirmationDialog.item.newLocale = key
                            linuxConfirmationDialog.item.open()
                        // }

                        //else {
                        //    root.changeLanguage(key)
                        //}
                    }
                }
            }
        }

        Separator {
            Layout.fillWidth: true
            Layout.bottomMargin: Style.current.padding
        }

        // Date format options:
        Column {
            Layout.fillWidth: true
            Layout.leftMargin: Style.current.padding
            Layout.rightMargin: Style.current.padding
            spacing: Style.current.padding
            StatusBaseText {
                text: qsTr("Date Format")
                anchors.left: parent.left
                font.pixelSize: 15
                color: Theme.palette.directColor1
            }

            StatusRadioButton {
                text: qsTr("DD/MM/YY")
                font.pixelSize: 13
                checked: root.languageStore.isDDMMYYDateFormat
                onToggled: root.languageStore.setIsDDMMYYDateFormat(checked)
            }

            StatusRadioButton {
                text: qsTr("MM/DD/YY")
                font.pixelSize: 13
                checked: !root.languageStore.isDDMMYYDateFormat
                onToggled: root.languageStore.setIsDDMMYYDateFormat(!checked)
            }
        }

        // Time format options:
        Column {
            Layout.fillWidth: true
            Layout.leftMargin: Style.current.padding
            Layout.rightMargin: Style.current.padding
            Layout.topMargin: Style.current.padding
            spacing: Style.current.padding
            StatusBaseText {
                text: qsTr("Time Format")
                anchors.left: parent.left
                font.pixelSize: 15
                color: Theme.palette.directColor1
            }

            StatusRadioButton {
                text: qsTr("24-Hour Time")
                font.pixelSize: 13
                checked: root.languageStore.is24hTimeFormat
                onToggled: root.languageStore.setIs24hTimeFormat(checked)
            }

            StatusRadioButton {
                text: qsTr("12-Hour Time")
                font.pixelSize: 13
                checked: !root.languageStore.is24hTimeFormat
                onToggled: root.languageStore.setIs24hTimeFormat(!checked)
            }
        }

        // TEMPORARY: It should be removed as it is only used in Linux OS but it must be investigated how to change language in execution time, as well, in Linux (will be addressed in another task)
        Loader {
            id: linuxConfirmationDialog
            active: false
            sourceComponent: ConfirmationDialog {
                property string newLocale

                header.title: qsTr("Change language")
                confirmationText: qsTr("Display language has been changed. You must restart the application for changes to take effect.")
                confirmButtonLabel: qsTr("Close the app now")
                onConfirmButtonClicked: {
                    loader.active = false
                    Qt.quit()
                }
            }
        }
    }
}