// SPDX-FileCopyrightText: 2018 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
// SPDX-FileCopyrightText: 2021 Carl Schwan <carl@carlschwan.eu>
// SPDX-License-Identifier: LGPL-2.0-or-later

import QtQuick
import QtQuick.Controls as QQC2
import QtQuick.Window
import QtQuick.Layouts
import org.kde.kirigami as Kirigami
import org.kde.kirigamiaddons.components as KirigamiComponents
import org.kde.coreaddons as Core

import "private" as Private

/**
 * @brief An AboutPage that displays the about data using Form components.
 *
 * This component consists of an internationalized "About" page with the
 * metadata of your program.
 *
 * It allows to show the copyright notice of the application together with
 * the contributors and some information of which platform it's running on.
 *
 * @since KirigamiAddons 0.11.0
 * @inherit org:kde::kirigami::ScrollablePage
 */
FormCardPage {
    id: page

    /**
     * @brief This property holds an object with the same shape as KAboutData.
     *
     * Set this property to either a KAboutData instance exposed from C++, or directly via a JSON object.
     *
     * Example usage:
     * @code{json}
     * aboutData: {
          "displayName" : "KirigamiApp",
          "productName" : "kirigami/app",
          "componentName" : "kirigamiapp",
          "shortDescription" : "A Kirigami example",
          "homepage" : "",
          "bugAddress" : "submit@bugs.kde.org",
          "version" : "5.14.80",
          "otherText" : "",
          "authors" : [
              {
                  "name" : "...",
                  "task" : "...",
                  "emailAddress" : "somebody@kde.org",
                  "webAddress" : "",
                  "ocsUsername" : ""
              }
          ],
          "credits" : [],
          "translators" : [],
          "licenses" : [
              {
                  "name" : "GPL v2",
                  "text" : "long, boring, license text",
                  "spdx" : "GPL-2.0"
              }
          ],
          "copyrightStatement" : "© 2010-2018 Plasma Development Team",
          "desktopFileName" : "org.kde.kirigamiapp"
       }
       @endcode
     *
     * @see KAboutData
     */
    property var aboutData: Core.AboutData

    /**
     * @brief This property holds a link to a "Get Involved" page.
     *
     * default: `"https://community.kde.org/Get_Involved" when the
     * application ID starts with "org.kde.", otherwise empty.`
     */
    property url getInvolvedUrl: aboutData.desktopFileName.startsWith("org.kde.") ? "https://community.kde.org/Get_Involved" : ""

    /**
     * @brief This property holds a link to a "Donate" page.
     *
     * default: `"https://www.kde.org/donate" when the application ID starts with "org.kde.", otherwise empty.`
     */
    property url donateUrl: aboutData.desktopFileName.startsWith("org.kde.") ? "https://www.kde.org/donate" : ""

    title: i18nd("kirigami-addons6", "About %1", page.aboutData.displayName)

    FormCard {
        Layout.topMargin: Kirigami.Units.largeSpacing * 4

        AbstractFormDelegate {
            id: generalDelegate
            Layout.fillWidth: true
            background: null
            contentItem: RowLayout {
                spacing: Kirigami.Units.smallSpacing * 2

                Kirigami.Icon {
                    Layout.preferredHeight: Kirigami.Units.iconSizes.huge
                    Layout.preferredWidth: height
                    Layout.maximumWidth: page.width / 3;
                    Layout.rightMargin: Kirigami.Units.largeSpacing
                    source: Kirigami.Settings.applicationWindowIcon || page.aboutData.programLogo || page.aboutData.programIconName || page.aboutData.componentName
                }

                ColumnLayout {
                    Layout.fillWidth: true
                    spacing: Kirigami.Units.smallSpacing

                    Kirigami.Heading {
                        Layout.fillWidth: true
                        text: page.aboutData.displayName + " " + page.aboutData.version
                        wrapMode: Text.WordWrap
                    }

                    Kirigami.Heading {
                        Layout.fillWidth: true
                        level: 3
                        type: Kirigami.Heading.Type.Secondary
                        wrapMode: Text.WordWrap
                        text: page.aboutData.shortDescription
                    }
                }
            }
        }

        FormDelegateSeparator {}

        FormTextDelegate {
            id: copyrightDelegate
            text: i18nd("kirigami-addons6", "Copyright")
            descriptionItem.textFormat: Text.PlainText
            description: aboutData.copyrightStatement
        }
    }

    FormHeader {
        visible: aboutData.otherText.length > 0
        title: i18nd("kirigami-addons6", "Description")
    }

    FormCard {
        visible: aboutData.otherText.length > 0
        FormTextDelegate {
            Layout.fillWidth: true
            textItem.wrapMode: Text.WordWrap
            text: aboutData.otherText
        }
    }

    FormHeader {
        title: i18ndp("kirigami-addons6", "License", "Licenses", aboutData.licenses.length)
        visible: aboutData.licenses.length
    }

    FormCard {
        visible: aboutData.licenses.length

        Repeater {
            model: aboutData.licenses
            delegate: FormButtonDelegate {
                text: modelData.name
                Layout.fillWidth: true
                onClicked: {
                    licenseSheet.text = modelData.text;
                    licenseSheet.title = modelData.name;
                    licenseSheet.open();
                }
            }
        }

        data: KirigamiComponents.MessageDialog {
            id: licenseSheet

            property alias text: bodyLabel.text

            parent: QQC2.Overlay.overlay

            leftPadding: 0
            rightPadding: 0
            bottomPadding: 0
            topPadding: 0

            header: Kirigami.Heading {
                text: licenseSheet.title
                elide: QQC2.Label.ElideRight
                padding: licenseSheet.padding
                topPadding: Kirigami.Units.largeSpacing
                bottomPadding: Kirigami.Units.largeSpacing

                Kirigami.Separator {
                    anchors {
                        left: parent.left
                        right: parent.right
                        bottom: parent.bottom
                    }
                }
            }

            contentItem: QQC2.ScrollView {
                id: scrollView

                Kirigami.SelectableLabel {
                    id: bodyLabel
                    text: licenseSheet.text
                    textMargin: Kirigami.Units.gridUnit
                }
            }

            footer: null
        }
    }

    FormCard {
        Layout.topMargin: Kirigami.Units.gridUnit

        FormButtonDelegate {
            id: getInvolvedDelegate
            text: i18nd("kirigami-addons6", "Homepage")
            onClicked: Qt.openUrlExternally(aboutData.homepage)
            visible: aboutData.homepage.length > 0
        }

        FormDelegateSeparator {
            above: getInvolvedDelegate
            below: donateDelegate
            visible: aboutData.homepage.length > 0
        }

        FormButtonDelegate {
            id: donateDelegate
            text: i18nd("kirigami-addons6", "Donate")
            onClicked: Qt.openUrlExternally(donateUrl + "?app=" + page.aboutData.componentName)
            visible: donateUrl.toString().length > 0
        }

        FormDelegateSeparator {
            above: donateDelegate
            below: homepageDelegate
            visible: donateUrl.toString().length > 0
        }

        FormButtonDelegate {
            id: homepageDelegate
            text: i18nd("kirigami-addons6", "Get Involved")
            onClicked: Qt.openUrlExternally(page.getInvolvedUrl)
            visible: page.getInvolvedUrl != ""
        }

        FormDelegateSeparator {
            above: homepageDelegate
            below: bugDelegate
            visible: page.getInvolvedUrl != ""
        }

        FormButtonDelegate {
            id: bugDelegate
            readonly property string theUrl: {
                if (aboutData.bugAddress !== "submit@bugs.kde.org") {
                    return aboutData.bugAddress
                }
                const elements = aboutData.productName.split('/');
                let url = `https://bugs.kde.org/enter_bug.cgi?format=guided&product=${elements[0]}&version=${aboutData.version}`;
                if (elements.length === 2) {
                    url += "&component=" + elements[1];
                }
                return url;
            }

            text: i18nd("kirigami-addons6", "Report a Bug")
            onClicked: Qt.openUrlExternally(theUrl)
            visible: theUrl.length > 0
        }
    }

    FormHeader {
        title: i18nd("kirigami-addons6", "Libraries in use")
        visible: Kirigami.Settings.information
    }

    FormCard {
        visible: Kirigami.Settings.information

        Repeater {
            model: Kirigami.Settings.information
            delegate: FormTextDelegate {
                id: libraries
                Layout.fillWidth: true
                text: modelData
            }
        }

        Repeater {
            model: aboutData.components
            delegate: libraryDelegate
        }
    }

    FormHeader {
        title: i18nd("kirigami-addons6", "Authors")
        visible: aboutData.authors !== undefined && aboutData.authors.length > 0
    }

    FormCard {
        visible: aboutData.authors !== undefined && aboutData.authors.length > 0

        Repeater {
            id: authorsRepeater
            model: aboutData.authors
            delegate: personDelegate
        }
    }

    FormHeader {
        title: i18nd("kirigami-addons6", "Credits")
        visible: aboutData.credits !== undefined && aboutData.credits.length > 0
    }

    FormCard {
        visible: aboutData.credits !== undefined && aboutData.credits.length > 0

        Repeater {
            id: repCredits
            model: aboutData.credits
            delegate: personDelegate
        }
    }

    FormHeader {
        title: i18nd("kirigami-addons6", "Translators")
        visible: aboutData.translators !== undefined && aboutData.translators.length > 0
    }

    FormCard {
        visible: aboutData.translators !== undefined && aboutData.translators.length > 0

        Repeater {
            id: repTranslators
            model: aboutData.translators
            delegate: personDelegate
        }
    }

    data: [
        Component {
            id: personDelegate

            AbstractFormDelegate {
                Layout.fillWidth: true
                background: null
                contentItem: RowLayout {
                    spacing: Kirigami.Units.smallSpacing * 2

                    KirigamiComponents.Avatar {
                        id: avatarIcon

                        // TODO FIXME kf6 https://phabricator.kde.org/T15993
                        property bool hasRemoteAvatar: false // (typeof(modelData.ocsUsername) !== "undefined" && modelData.ocsUsername.length > 0)
                        implicitWidth: Kirigami.Units.iconSizes.medium
                        implicitHeight: implicitWidth
                        name: modelData.name
                        source: if (!!modelData.avatarUrl && modelData.avatarUrl.toString().startsWith('https://')) {
                            const url = new URL(modelData.avatarUrl);
                            const params = new URLSearchParams(url.search);
                            params.append("s", width);
                            url.search = params.toString();
                            return url;
                        } else {
                            return '';
                        }
                    }

                    ColumnLayout {
                        Layout.fillWidth: true
                        spacing: Kirigami.Units.smallSpacing

                        QQC2.Label {
                            Layout.fillWidth: true
                            text: modelData.name
                            elide: Text.ElideRight
                        }

                        QQC2.Label {
                            id: internalDescriptionItem
                            Layout.fillWidth: true
                            text: modelData.task
                            color: Kirigami.Theme.disabledTextColor
                            font: Kirigami.Theme.smallFont
                            elide: Text.ElideRight
                            visible: text.length > 0
                        }
                    }

                    QQC2.ToolButton {
                        visible: typeof(modelData.ocsUsername) !== "undefined" && modelData.ocsUsername.length > 0
                        icon.name: "get-hot-new-stuff"
                        QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
                        QQC2.ToolTip.visible: hovered
                        QQC2.ToolTip.text: i18nd("kirigami-addons6", "Visit %1's KDE Store page", modelData.name)
                        onClicked: Qt.openUrlExternally("https://store.kde.org/u/%1".arg(modelData.ocsUsername))
                    }

                    QQC2.ToolButton {
                        visible: typeof(modelData.emailAddress) !== "undefined" && modelData.emailAddress.length > 0
                        icon.name: "mail-sent"
                        QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
                        QQC2.ToolTip.visible: hovered
                        QQC2.ToolTip.text: i18nd("kirigami-addons6", "Send an email to %1", modelData.emailAddress)
                        onClicked: Qt.openUrlExternally("mailto:%1".arg(modelData.emailAddress))
                    }

                    QQC2.ToolButton {
                        visible: typeof(modelData.webAddress) !== "undefined" && modelData.webAddress.length > 0
                        icon.name: "globe"
                        QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
                        QQC2.ToolTip.visible: hovered
                        QQC2.ToolTip.text: (typeof(modelData.webAddress) === "undefined" && modelData.webAddress.length > 0) ? "" : modelData.webAddress
                        onClicked: Qt.openUrlExternally(modelData.webAddress)
                    }
                }
            }
        },
        Component {
            id: libraryDelegate

            AbstractFormDelegate {
                id: delegate

                required property var modelData

                Layout.fillWidth: true
                background: null
                contentItem: RowLayout {
                    spacing: Kirigami.Units.smallSpacing * 2

                    ColumnLayout {
                        Layout.fillWidth: true
                        spacing: Kirigami.Units.smallSpacing

                        QQC2.Label {
                            Layout.fillWidth: true
                            text: delegate.modelData.name + ' ' + delegate.modelData.version
                            elide: Text.ElideRight
                        }

                        QQC2.Label {
                            id: internalDescriptionItem
                            Layout.fillWidth: true
                            text: delegate.modelData.description
                            color: Kirigami.Theme.disabledTextColor
                            font: Kirigami.Theme.smallFont
                            elide: Text.ElideRight
                            visible: text.length > 0
                        }
                    }

                    QQC2.ToolButton {
                        visible: modelData.licenses !== 0
                        icon.name: "license"

                        QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
                        QQC2.ToolTip.visible: hovered
                        QQC2.ToolTip.text: !visible ? "" : delegate.modelData.licenses.name

                        KirigamiComponents.MessageDialog {
                            id: licenseSheet

                            parent: root.QQC2.Overlay.overlay
                            title: delegate.modelData.name

                            leftPadding: 0
                            rightPadding: 0
                            bottomPadding: 0
                            topPadding: 0

                            header: Kirigami.Heading {
                                text: licenseSheet.title
                                elide: QQC2.Label.ElideRight
                                padding: licenseSheet.padding
                                topPadding: Kirigami.Units.largeSpacing
                                bottomPadding: Kirigami.Units.largeSpacing

                                Kirigami.Separator {
                                    anchors {
                                        left: parent.left
                                        right: parent.right
                                        bottom: parent.bottom
                                    }
                                }
                            }

                            contentItem: QQC2.ScrollView {
                                Kirigami.SelectableLabel {
                                    id: bodyLabel
                                    text: delegate.modelData.licenses.text
                                    textMargin: Kirigami.Units.gridUnit
                                }
                            }

                            footer: null
                        }

                        onClicked: licenseSheet.open()
                    }

                    QQC2.ToolButton {
                        visible: typeof(modelData.webAddress) !== "undefined" && modelData.webAddress.length > 0
                        icon.name: "globe"
                        QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
                        QQC2.ToolTip.visible: hovered
                        QQC2.ToolTip.text: (typeof(modelData.webAddress) === "undefined" && modelData.webAddress.length > 0) ? "" : modelData.webAddress
                        onClicked: Qt.openUrlExternally(modelData.webAddress)
                    }
                }
            }
        }
    ]
}