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 {
            function add(folderName, uuid) {
                console.log(header.items)
                header.items = header.items.concat([{
                                                        "title": folderName,
                                                        "uuid": uuid
                                                    }])
            }
            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 => {
                                               console.log(text)
                                           }
                    }

                    Image {
                        source: "qrc:/AicsKnowledgeBase/res/createFolder.png"
                        anchors.fill: parent
                    }
                    MouseArea {
                        anchors.fill: parent
                        onClicked: {
                            dialog.open()
                        }
                    }
                }
                FluButton {
                    Layout.alignment: Qt.AlignRight
                    text: "上传"
                    onClicked: function () {
                        console.log("click")
                        fileDialog.open()
                    }
                    FileDialog {
                        id: fileDialog
                        onAccepted: function () {
                            let name = FileTransferManager.getFileName(
                                    selectedFile)
                            const size = FileTransferManager.getFileSize(
                                           selectedFile)
                            const md5 = FileTransferManager.getFileMd5(
                                          selectedFile)
                            if (size <= 0 || md5 === '')
                                return
                            var body = {
                                "name": name,
                                "brief": "brief",
                                "size": size,
                                "md5": md5,
                                "tags": [],
                                "parentId": header.items.length !== 0 ? header.items[header.items.length - 1].uuid : null
                            }
                            console.log("begin")
                            console.log(JSON.stringify(body))
                            Request.post("knowledge/file",
                                         JSON.stringify(body),
                                         function (res, data) {
                                             console.log(res)
                                             console.log(data)
                                             FileTransferManager.upload(
                                                         selectedFile, data.id,
                                                         data.ticket, name)
                                         }, function (res, data) {
                                             console.log(res)
                                         })
                        }
                    }
                }
            }
            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)
                        }
                        fileListItemHeaderItem.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: {
                        fileListItemHeaderItem.update()
                    }
                }

                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"
                }

                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)
                            }
                            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
                    })
                }
            }
        }
    }
    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
                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)
                }
            }
            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"
        }
        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
        }
        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
        }
    }
}