pragma ComponentBehavior: Bound

import QtQuick
import Quickshell
import Quickshell.Hyprland
import Quickshell.Io
import qs.Common
import qs.Modals.Common
import qs.Services

DankModal {
    id: clipboardHistoryModal

    layerNamespace: "dms:clipboard"

    HyprlandFocusGrab {
        windows: [clipboardHistoryModal]
        active: CompositorService.isHyprland && clipboardHistoryModal.shouldHaveFocus
    }

    property int totalCount: 0
    property var clipboardEntries: []
    property string searchText: ""
    property int selectedIndex: 0
    property bool keyboardNavigationActive: false
    property bool showKeyboardHints: false
    property Component clipboardContent
    property int activeImageLoads: 0
    readonly property int maxConcurrentLoads: 3

    function updateFilteredModel() {
        filteredClipboardModel.clear();
        for (var i = 0; i < clipboardModel.count; i++) {
            const entry = clipboardModel.get(i).entry;
            if (searchText.trim().length === 0) {
                filteredClipboardModel.append({
                    "entry": entry
                });
            } else {
                const content = getEntryPreview(entry).toLowerCase();
                if (content.includes(searchText.toLowerCase())) {
                    filteredClipboardModel.append({
                        "entry": entry
                    });
                }
            }
        }
        clipboardHistoryModal.totalCount = filteredClipboardModel.count;
        if (filteredClipboardModel.count === 0) {
            keyboardNavigationActive = false;
            selectedIndex = 0;
        } else if (selectedIndex >= filteredClipboardModel.count) {
            selectedIndex = filteredClipboardModel.count - 1;
        }
    }

    function toggle() {
        if (shouldBeVisible) {
            hide();
        } else {
            show();
        }
    }

    function show() {
        open();
        clipboardHistoryModal.searchText = "";
        clipboardHistoryModal.activeImageLoads = 0;
        clipboardHistoryModal.shouldHaveFocus = true;
        refreshClipboard();
        keyboardController.reset();

        Qt.callLater(function () {
            if (contentLoader.item && contentLoader.item.searchField) {
                contentLoader.item.searchField.text = "";
                contentLoader.item.searchField.forceActiveFocus();
            }
        });
    }

    function hide() {
        close();
        clipboardHistoryModal.searchText = "";
        clipboardHistoryModal.activeImageLoads = 0;
        updateFilteredModel();
        keyboardController.reset();
        cleanupTempFiles();
    }

    function cleanupTempFiles() {
        Quickshell.execDetached(["sh", "-c", "rm -f /tmp/clipboard_*.png"]);
    }

    function refreshClipboard() {
        clipboardProcesses.refresh();
    }

    function copyEntry(entry) {
        const entryId = entry.split('\t')[0];
        Quickshell.execDetached(["sh", "-c", `cliphist decode ${entryId} | wl-copy`]);
        ToastService.showInfo(I18n.tr("Copied to clipboard"));
        hide();
    }

    function deleteEntry(entry) {
        clipboardProcesses.deleteEntry(entry);
    }

    function clearAll() {
        clipboardProcesses.clearAll();
    }

    function getEntryPreview(entry) {
        let content = entry.replace(/^\s*\d+\s+/, "");
        if (content.includes("image/") || content.includes("binary data") || /\.(png|jpg|jpeg|gif|bmp|webp)/i.test(content)) {
            const dimensionMatch = content.match(/(\d+)x(\d+)/);
            if (dimensionMatch) {
                return `Image ${dimensionMatch[1]}×${dimensionMatch[2]}`;
            }
            const typeMatch = content.match(/\b(png|jpg|jpeg|gif|bmp|webp)\b/i);
            if (typeMatch) {
                return `Image (${typeMatch[1].toUpperCase()})`;
            }
            return "Image";
        }
        if (content.length > ClipboardConstants.previewLength) {
            return content.substring(0, ClipboardConstants.previewLength) + "...";
        }
        return content;
    }

    function getEntryType(entry) {
        if (entry.includes("image/") || entry.includes("binary data") || /\.(png|jpg|jpeg|gif|bmp|webp)/i.test(entry) || /\b(png|jpg|jpeg|gif|bmp|webp)\b/i.test(entry)) {
            return "image";
        }
        if (entry.length > ClipboardConstants.longTextThreshold) {
            return "long_text";
        }
        return "text";
    }

    visible: false
    modalWidth: ClipboardConstants.modalWidth
    modalHeight: ClipboardConstants.modalHeight
    backgroundColor: Theme.withAlpha(Theme.surfaceContainer, Theme.popupTransparency)
    cornerRadius: Theme.cornerRadius
    borderColor: Theme.outlineMedium
    borderWidth: 1
    enableShadow: true
    onBackgroundClicked: hide()
    modalFocusScope.Keys.onPressed: function (event) {
        keyboardController.handleKey(event);
    }
    content: clipboardContent

    ClipboardKeyboardController {
        id: keyboardController
        modal: clipboardHistoryModal
    }

    ConfirmModal {
        id: clearConfirmDialog
        confirmButtonText: I18n.tr("Clear All")
        confirmButtonColor: Theme.primary
        onVisibleChanged: {
            if (visible) {
                clipboardHistoryModal.shouldHaveFocus = false;
            } else if (clipboardHistoryModal.shouldBeVisible) {
                clipboardHistoryModal.shouldHaveFocus = true;
                clipboardHistoryModal.modalFocusScope.forceActiveFocus();
                if (clipboardHistoryModal.contentLoader.item && clipboardHistoryModal.contentLoader.item.searchField) {
                    clipboardHistoryModal.contentLoader.item.searchField.forceActiveFocus();
                }
            }
        }
    }

    property alias filteredClipboardModel: filteredClipboardModel
    property alias clipboardModel: clipboardModel
    property var confirmDialog: clearConfirmDialog

    ListModel {
        id: clipboardModel
    }

    ListModel {
        id: filteredClipboardModel
    }

    ClipboardProcesses {
        id: clipboardProcesses
        modal: clipboardHistoryModal
        clipboardModel: clipboardModel
        filteredClipboardModel: filteredClipboardModel
    }

    IpcHandler {
        function open(): string {
            clipboardHistoryModal.show();
            return "CLIPBOARD_OPEN_SUCCESS";
        }

        function close(): string {
            clipboardHistoryModal.hide();
            return "CLIPBOARD_CLOSE_SUCCESS";
        }

        function toggle(): string {
            clipboardHistoryModal.toggle();
            return "CLIPBOARD_TOGGLE_SUCCESS";
        }

        target: "clipboard"
    }

    clipboardContent: Component {
        ClipboardContent {
            modal: clipboardHistoryModal
            filteredModel: filteredClipboardModel
            clearConfirmDialog: clipboardHistoryModal.confirmDialog
        }
    }
}