import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Controls.Material 2.15
import QtQuick.Layouts 1.15
import QtQuick.Window 2.15
import Qt.labs.folderlistmodel 2.15
import QtCore 6.2
import QtQuick.Dialogs
import TactileIPC 1.0

Window {
    id: root
    width: 980
    height: 640
    minimumWidth: 880
    minimumHeight: 560
    visible: false
    modality: Qt.ApplicationModal
    flags: Qt.Dialog | Qt.WindowTitleHint | Qt.WindowCloseButtonHint
    title: root.tr("导入数据")
    color: windowBg

    readonly property bool isDark: !Backend.lightMode
    readonly property color windowBg: isDark ? "#1B1F1B" : "#F7F8F9"
    Material.accent: root.accent
    Material.primary: root.accent
    Material.theme: root.isDark ? Material.Dark  : Material.Light

    readonly property color accent: "#21A453"
    readonly property color accentSoft: root.isDark ? "#1F3A2A" : "#E6F6EC"
    readonly property color panel: root.isDark ? "#242924" : "#FFFFFF"
    readonly property color border: root.isDark ? "#343A35" : "#E1E5EA"
    readonly property color text: root.isDark ? "#E6ECE7" : "#1E2A32"
    readonly property color subText: root.isDark ? "#9AA5A0" : "#6E7A86"
    readonly property color fieldBg: root.isDark ? "#1E221E" : "#FFFFFF"
    readonly property color surfaceAlt: root.isDark ? "#202520" : "#F9FAFB"
    readonly property color hoverBg: root.isDark ? "#2C322D" : "#F3F6F8"
    readonly property color iconBg: root.isDark ? "#25362B" : "#E8F3EA"
    readonly property color iconBgAlt: root.isDark ? "#2A302A" : "#EFF2F5"
    readonly property color disabledBg: root.isDark ? "#4B544E" : "#C9D2D8"
    readonly property string uiFont: "Microsoft YaHei UI"

    property url currentFolder: StandardPaths.writableLocation(StandardPaths.DocumentsLocation) + "/"
    property string chosenFilename: ""
    property string importFormat: ""
    property string importMethod: ""

    signal importIn(url filename, string format, string method)

    function open() {

    }

    function accept() {
        visible = false
    }

    function reject() {
        visible = false
    }

    function centerOnScreen_() {
        x = Math.round((Screen.width - width) / 2)
        y = Math.round((Screen.height - height) / 2)
    }

    function normalizeFolder_(path) {
        if (!path)
            return path
        if (path.endsWith("/"))
            return path
        return path + "/"
    }


    function tr(text) {
        I18n.retranslateToken
        return qsTr(text)
    }

    onVisibleChanged: if (visible) centerOnScreen_()

    ColumnLayout {
        anchors.fill: parent
        anchors.margins: 16
        spacing: 12

        Rectangle {
            Layout.fillWidth: true
            height: 54
            radius: 6
            color: root.panel
            border.color: root.border

            RowLayout {
                anchors.fill: parent
                anchors.margins: 8
                spacing: 8

                ToolButton {
                    id: backBtn
                    text: "<"
                    font.family: root.uiFont
                    onClicked: {

                    } 
                    background: Rectangle {
                        radius: 4
                        color: backBtn.hovered ? root.accentSoft : "transparent"
                        border.color: backBtn.hovered ? root.accent : root.border
                    }
                }
                ToolButton {
                    id: forwardBtn
                    text: ">"
                    font.family: root.uiFont
                    onClicked: {

                    }
                    background: Rectangle {
                        radius: 4
                        color: backBtn.hovered ? root.accentSoft : "transparent"
                        border.color: backBtn.hovered ? root.accent : root.border
                    }
                }
                ToolButton {
                    id: upBtn
                    text: "^"
                    font.family: root.uiFont
                    onClicked: {

                    }
                    background: Rectangle {
                        radius: 4
                        color: backBtn.hovered ? root.accentSoft : "transparent"
                        border.color: backBtn.hovered ? root.accent : root.border
                    }
                }
                TextField {
                    id: breadcrumb
                    Layout.fillWidth: true
                    readOnly: true
                    font.family: root.uiFont
                    color: root.text
                    text: root.currentFolder.toString()
                    background: Rectangle {
                        radius: 4
                        color: root.surfaceAlt
                        border.color: root.border
                    }
                }
                
            }
        }
        RowLayout {
            Layout.fillWidth: true
            Layout.fillHeight: true
            spacing: 12

            Rectangle {
                Layout.preferredWidth: 220
                Layout.fillHeight: true
                radius: 6
                color: root.panel
                border.color: root.border

                ColumnLayout {
                    anchors.fill: parent
                    anchors.margins: 10
                    spacing: 8

                    Label {
                        text: root.tr("位置")
                        font.bold: true
                        font.family: root.uiFont
                        color: root.text
                    }
                    ListView {
                        id: places
                        Layout.fillWidth: true
                        Layout.fillHeight: true
                        clip: true
                        model: [
                            { name: root.tr("此电脑"), url: "file:///", icon: root.isDark ? "qrc:/images/computer_dark.png" : "qrc:/images/computer_light.png" },
                            { name: root.tr("桌面"), url: StandardPaths.writableLocation(StandardPaths.DesktopLocation) + "/", icon: root.isDark ? "qrc:/images/desktop_dark.png" : "qrc:/images/desktop_light.png" },
                            { name: root.tr("文档"), url: StandardPaths.writableLocation(StandardPaths.DocumentsLocation) + "/", icon: root.isDark ? "qrc:/images/docs_dark.png" : "qrc:/images/docs_light.png" },
                            { name: root.tr("下载"), url: StandardPaths.writableLocation(StandardPaths.DownloadLocation) + "/", icon: root.isDark ? "qrc:/images/download_dark.png" : "qrc:/images/download_light.png" }
                        ]

                        delegate: ItemDelegate {
                            width: ListView.view.width
                            onClicked: {
                                places.currentIndex = index
                                root.currentFolder = normalizeFolder_(modeData.url)
                            }
                            background: Rectangle {
                                radius: 4
                                color: places.currentIndex === index ? root.accentSoft : "transparent"
                                border.color: places.currentIndex === index ? root.accent : "transparent"
                            }

                            contentItem: RowLayout {
                                spacing: 8
                                Image {
                                    width: 16
                                    height: 16
                                    source: modelData.icon
                                    fillMode: Image.PreserveAspectFit
                                    smooth: true
                                }
                                Label {
                                    text: modelData.name
                                    font.family: root.uiFont
                                    color: root.text
                                }
                            }
                        }
                    }
                }
            }
            Rectangle {
                Layout.fillWidth: true
                Layout.fillHeight: true
                radius: 6
                color: root.panel
                border.color: root.border

                ColumnLayout {
                    anchors.fill: parent
                    anchors.margins: 10
                    spacing: 6

                    RowLayout {
                        Layout.fillWidth: true
                        Lable {
                            // TODO table title
                        }
                    }
                    Rectangle {
                        Layout.fillWidth: true
                        height: 1
                        color: root.border
                    }
                    FolderListModel {
                        id: fileModel
                        folder: root.currentFolder
                        showDotAndDotDot: false
                        showDirs: true
                        showFiles: true
                        sortField: FolderListModel.Name
                    }
                    ListView {
                        id: fileList
                        Layout.fillWidth: true
                        Layout.fillHeight: true
                        clip: true
                        model: fileModel

                        delegate: ItemDelegate {
                            id: fileRow
                            width: ListView.view.width
                            onDoubleClicked: {
                                const isDir = fileModel.get(index, "fileIsDir")
                                if (isDir) {
                                    root.currentFolder = normalizeFolder_(fileModel.get(index, "filePath"))
                                }
                                else {
                                    // TODO import file
                                }
                            }
                            onClicked: {
                                fileList.currentIndex = index
                            }

                            background: Rectangle {
                                radius: 4
                                color: fileRow.hovered ? root.hoverBg : "transparent"
                            }
                            contentItem: RowLayout {
                                spacing: 8
                                Rectangle {
                                    width+:
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}