import Quickshell
import Quickshell.Wayland
import Quickshell.Io
import Quickshell.Widgets
import QtQuick
import Qt.labs.folderlistmodel
import QtQuick.Layouts
import QtQuick.Controls
import "../Config"

PanelWindow {
    id: pass
    anchors.bottom: true
    property var open: false
    property int selectedIndex: 0
    property string passLocation: ""    

    function genHeight() {
        if (folderModel.count > 5) {
            return 200
        }
        else {
            return (search.height * (folderModel.count + 1)) + Config.launcherOuterPadding
        }
    }
        
    Process {
        id: passCopy
        running: false
        command: ["pass", "-c", passLocation]
    }

    Process {
        id: userCopy
        running: false
        command: ["pass", "-c2", passLocation]
        stdout: StdioCollector {
            onStreamFinished: passCopy.running = true
        }
    }

    function goBack() {
        var lastSlash = list.currentItem.filePath.lastIndexOf('/')
        var currentDir = list.currentItem.filePath.substring(0, lastSlash)
        var lastSlash = currentDir.lastIndexOf('/')
        var parentDir = currentDir.substring(0, lastSlash)
        if (currentDir == "/home/ceres/.password-store") {
            return;
        }
        else {
            folderModel.folder = "file://" + parentDir
        }
    }

    function copyPass() {
        if(list.currentItem.fileIsDir==true) {
            folderModel.folder = folderModel.folder+"/"+list.currentItem.fileBaseName
        }
        else {
            passLocation = list.currentItem.filePath
            passLocation = passLocation.replace("/home/ceres/.password-store/", "")
            passLocation = passLocation.replace(".gpg", "")
            userCopy.running = true
            pass.open = false
            search.text = ""
            folderModel.folder = "file:///home/ceres/.password-store"
        }
    }

    implicitHeight: open ? genHeight() : 0
    implicitWidth: 500
    
    color: "transparent"
    visible: open ? true : false

    Behavior on implicitHeight {
        NumberAnimation {
            duration: 80
            easing.type: Easing.InOutQuad
            easing.overshoot: 2
        }
    }
    
    WlrLayershell.layer: WlrLayer.Overlay
    WlrLayershell.keyboardFocus: WlrKeyboardFocus.OnDemand
    exclusionMode: ExclusionMode.Ignore

    Rectangle {
        id: rect
        anchors.fill: parent
        color: Colours.background
        opacity: 0.9

        topLeftRadius: 20
        topRightRadius: 20

        ColumnLayout {
            id: content
            anchors.fill: parent
            
            Row{
                Rectangle {
                    color: "transparent"
                    width: Config.launcherOuterPadding
                    height: search.height
                }
                Rectangle {
                    height: search.height
                    width: search.height
                    color: "transparent"

                    IconImage {
                        anchors.centerIn: parent
                        source: Quickshell.iconPath("search-icon")
                        height: search.height
                        width: search.height
                    }
                }
                Rectangle {
                    color: "transparent"
                    width: pass.width - search.height - (2 * Config.launcherOuterPadding)
                    height: search.height
                    TextField {
                        id: search
                        
                        anchors.verticalCenter: parent.verticalCenter
                        anchors.left: parent.left

                        focus: true
                        placeholderText: "Search..."
                        background: null

                        color: Colours.foreground
                        placeholderTextColor: Colours.colour0

                        Keys.onPressed: event => {
                            if (event.key == Qt.Key_Return) {
                                copyPass();
                                event.accepted = true;
                            }
                            if (event.key == Qt.Key_Down) {
                                if(list.currentIndex<folderModel.count-1) {
                                    list.currentIndex++;
                                }
                                event.accepted = true;
                            }
                            if (event.key == Qt.Key_Up) {
                                if (list.currentIndex > 0) {
                                    list.currentIndex--;
                                }
                                event.accepted = true;
                            }
                            if (event.key == Qt.Key_Escape) {
                                pass.open = false;
                                list.currentIndex = 0
                                folderModel.folder = "file:///home/ceres/.password-store"
                                event.accepted = true;
                            }
                            if (event.key == Qt.Key_Tab) {
                                goBack();
                                event.accepted = true;
                            }
                        }
                    }
                }
                Rectangle {
                    color: "transparent"
                    width: Config.launcherOuterPadding
                    height: search.height
                }
            }
            
            FolderListModel {
                id: folderModel
                folder: "file:///home/ceres/.password-store"
                caseSensitive: false
                showDirs: search.text === "" ? true : false
                showDirsFirst: true
                nameFilters: "*"+search.text+"*"
            }
            
            ListView {
                id: list
                model: folderModel
                Layout.fillWidth: true
                Layout.fillHeight: true
                clip: true
                preferredHighlightBegin: 0

                highlight: Rectangle { color: Colours.colour1; radius:20 }
                currentIndex: 0

                delegate: Row {
                    required property string fileBaseName
                    required property bool fileIsDir
                    required property string filePath

                    Rectangle {
                        color: "transparent"
                        width: Config.launcherOuterPadding
                        height: search.height
                    }
                    
                    Rectangle {
                        color: "transparent"
                        height: search.height
                        width: pass.width - (2 * Config.launcherOuterPadding)

                        Text{
                            function genText() {
                                if(fileIsDir==true) {
                                    return fileBaseName+"/"
                                }
                                else {
                                    return fileBaseName
                                }
                            }
                            color: Colours.foreground
                            text: genText()
                            anchors.verticalCenter: parent.verticalCenter
                        }
                    }
                }
            }
        }
    }

    IpcHandler {
        target: "pass"

        function toggle() {
            search.text = ""
            pass.open = !pass.open
        }
    }
    
}