import QtQuick 2.15
import QtQuick.Layouts
import FluentUI
import QtQuick.Dialogs
import QtQuick.Controls
import "qrc:///AicsKnowledgeBase/qml/global"
import SignalFileOperation 1.0
import AicsKB.FileTransferManager

Item {
    anchors.fill: parent
    signal search(string tag)
    signal open(string file)
    property bool disableHeader: false
    property bool autoRequest: false
    property string url: "http://127.0.0.1:4523/m1/2914957-0-5604d062/"
    property ListModel dataModel: ListModel {}
    function setListData(listmodel) {
        listView.model = listmodel
    }

    ListView {
        id: listView
        anchors.fill: parent
        spacing: 10
        header: disableHeader ? null : fileListItemHeader
        model: fileListModel
        delegate: fileListItemDelegate
        Component.onCompleted: {
            if (autoRequest) {
                update()
            } else {
                listView.model = dataModel
            }
        }
    }

    Component {
        id: fileListItemHeader
        ColumnLayout {
            id: topColumnLayout
            function add(folderName, uuid) {
                console.log(header.items)
                header.items = header.items.concat([{
                                                        "title": folderName,
                                                        "uuid": uuid
                                                    }])
            }
            function update() {
                var uuid = header.items.length
                        === 0 ? "null" : header.items[header.items.length - 1].uuid
                Request.get("/knowledge/" + uuid, function (response) {
                    var data = JSON.parse(response)
                    console.log(response)
                    console.log(data.knowledgeFileAttribute)
                    fileListModel.clear()
                    var files = data.children
                    for (var i = 0; i < files.length; i++) {
                        var file = files[i]
                        console.log(file.name)
                        var modelItem = {
                            "title": file.name,
                            "uuid": file.id,
                            "date"// cut time after 'T'
                            : file.createTime.substring(0, 10),
                            "fuuid": uuid
                        }
                        if (file.knowledgeFileAttribute === null) {
                            modelItem.type = "folder"
                            modelItem.isDir = true
                            modelItem.size = 0
                        } else {
                            modelItem.isDir = false
                            modelItem.type = getType(
                                        file.knowledgeFileAttribute.suffix)
                            modelItem.size = file.knowledgeFileAttribute.size
                            modelItem.brief = file.knowledgeFileAttribute.brief
                            modelItem.pageView = file.knowledgeFileAttribute.pageView
                            modelItem.stars = 0
                            // merge file.knowledgeFileAttribute.tags array to a string
                            var tagString = ""
                            for (var j = 0; j < file.knowledgeFileAttribute.tags.length; j++) {
                                if (j != 0)
                                    tagString = tagString + ","
                                tagString = tagString + file.knowledgeFileAttribute.tags[j].name
                            }
                            modelItem.tags = tagString
                        }
                        fileListModel.append(modelItem)
                    }
                    console.log(fileListModel.count)
                    listView.currentIndex = -1
                })
            }
            function getType(suffix) {
                if (suffix === "ppt" || suffix === "pptx")
                    return "PPT"
                else if (suffix === "doc" || suffix === "docx")
                    return "WORD"
                else if (suffix === "pdf")
                    return "PDF"
                else if (suffix === "txt")
                    return "TXT"
                else if (suffix === "xls" || suffix === "xlsx")
                    return "EXCEL"
                else if (suffix === "zip" || suffix === "rar")
                    return "ZIP"
                else if (suffix === "png" || suffix === "jpg"
                         || suffix === "jpeg" || suffix === "gif")
                    return "IMAGE"
                else if (suffix === "mp3" || suffix === "wav")
                    return "AUDIO"
                else if (suffix === "mp4" || suffix === "avi"
                         || suffix === "rmvb" || suffix === "rm"
                         || suffix === "wmv" || suffix === "mkv")
                    return "VIDEO"
                else
                    return "OTHER"
            }
            RowLayout {
                Layout.preferredWidth: parent.width
                Item {
                    Layout.alignment: Qt.AlignRight
                    height: 28
                    width: 28
                    InputDialog {
                        id: dialog
                        title: "新建文件夹"
                        buttonFlags: FluContentDialog.PositiveButton
                                     | FluContentDialog.NegativeButton
                        negativeText: "取消"
                        positiveText: "确定"
                        message: "请输入文件夹名称"
                        onPositiveClicked: text => {
                                               var param = {
                                                   "name": text,
                                                   "parentId": header.items[header.items.length
                                                       - 1].uuid
                                               }
                                               Request.post(
                                                   "/knowledge",
                                                   JSON.stringify(param))
                                           }
                    }

                    Image {
                        source: "qrc:/AicsKnowledgeBase/res/createFolder.png"
                        anchors.fill: parent
                    }
                    MouseArea {
                        anchors.fill: parent
                        onClicked: {
                            dialog.open()
                        }
                    }
                }
                UploadButton {
                    header: header
                }
            }
            RowLayout {
                id: fileListItemHeaderItem
                width: ListView.view.width
                height: 48

                // back to folder button
                FluIconButton {
                    Layout.alignment: Qt.AlignVCenter
                    id: backButton
                    width: 24
                    height: 24
                    iconSource: FluentIcons.ForwardCall
                    onClicked: {
                        if (header.count() > 0) {
                            header.items = header.items.slice(
                                        0, header.count() - 1)
                        }
                        topColumnLayout.update()
                    }
                }
                FluBreadcrumbBar {
                    id: header
                    width: parent.width
                    height: parent.height
                    separator: ">"
                    items: []
                    onClickItem: function (model) {
                        if (model.index + 1 !== count()) {
                            items = items.slice(0, model.index + 1)
                        }
                    }
                    onItemsChanged: {
                        topColumnLayout.update()
                    }
                }
            }
        }
    }
    Component {
        id: fileListItemDelegate
        Rectangle {
            id: fileListItemRect
            width: ListView.view.width
            height: model.isDir ? 50 : 120
            //color: !ListView.isCurrentItem ? "white" : "red"
            FileListItem {
                id: fileListItem
                uuid: model.uuid
                fuuid: model.fuuid
                width: parent.width
                height: parent.height
                title: model.title
                isDir: model.isDir
                date: model.date
                brief: isDir ? "" : model.brief
                type: isDir ? "FOLDER" : model.type
                pageView: isDir ? 0 : model.pageView
                size: isDir ? 0 : model.size
                stars: isDir ? 0 : model.stars
                // split string to array
                tags: isDir ? [] : model.tags === null
                              || model.tags === undefined
                              || model.tags === "" ? [] : model.tags.split(",")
                onTagClicked: {
                    emit: search(tag)
                    console.log(tag)
                }
                onRefresh: {
                    listView.headerItem.update()
                }
            }
            function doubleClicked() {
                listView.currentIndex = index
                if (model.isDir) {
                    console.log(listView.headerItem)
                    listView.headerItem.add(model.title, model.uuid)
                } else {
                    emit: SignalFileOperation.open(model.uuid)
                }
            }
        }
    }
    ListModel {
        id: fileListModel
        ListElement {
            title: "File 1"
            isDir: true
            brief: "This is a test file"
            type: "FOLDER"
            fuuid: "1"
        }
        ListElement {
            uuid: "2"
            title: "File 2"
            isDir: false
            brief: "This is a test file"
            size: 500
            type: "WORD"
            date: "2020-09-09"
            pageView: 100
            stars: 10
            fuuid: "1"
        }
        ListElement {
            uuid: "3"
            title: "File 3"
            isDir: false
            brief: "This is a test file"
            type: "PPT"
            date: "2020-09-09"
            pageView: 100
            size: 10200000022
            stars: 10
            fuuid: "1"
        }
    }
}