import { Button, LineEdit, CheckBox, Spinner, GridBox, VerticalBox, HorizontalBox, ListView, ScrollView, StandardTableView } from "std-widgets.slint";

export struct ResultEntry {
    is-header: bool,
    is-new: bool,
    label: string,
}

export component MainWindow inherits Window {
    title: "Sane Vector Log Decoder";
    preferred-width: 640px;
    preferred-height: 320px;

    in-out property <string> dbc-path;
    in-out property <string> asc-label;
    in-out property <bool> has-asc;
    in-out property <string> output-dir;
    in-out property <bool> laps;
    in-out property <bool> busy;
    in-out property <string> status;
    in-out property <bool> has-results;

    callback browse-dbc();
    callback browse-asc();
    callback browse-output();
    callback decode();
    callback open-results();

    VerticalBox {
        padding: 12px;
        spacing: 8px;

        GridBox {
            spacing: 8px;

            Row {
                Text { text: "DBC file:"; vertical-alignment: center; }
                LineEdit { read-only: true; text: root.dbc-path; }
                Button { text: "Browse..."; clicked => { root.browse-dbc(); } }
            }

            Row {
                Text { text: "ASC file(s):"; vertical-alignment: center; }
                LineEdit { read-only: true; text: root.asc-label; }
                Button { text: "Browse..."; clicked => { root.browse-asc(); } }
            }

            Row {
                Text { text: "Output dir:"; vertical-alignment: center; }
                LineEdit { read-only: true; text: root.output-dir; }
                Button { text: "Browse..."; clicked => { root.browse-output(); } }
            }
        }

        CheckBox {
            text: "Generate lap beacons";
            checked <=> root.laps;
        }

        Rectangle { vertical-stretch: 1; }

        HorizontalBox {
            padding: 0px;
            spacing: 8px;

            if root.busy: Spinner {
                width: 20px;
                height: 20px;
                indeterminate: true;
            }

            Text {
                text: root.status;
                horizontal-stretch: 1;
                vertical-alignment: center;
                overflow: elide;
            }

            if root.has-results: Button {
                text: "Show results";
                clicked => { root.open-results(); }
            }

            Button {
                text: "Decode!";
                enabled: !root.busy
                    && root.dbc-path != ""
                    && root.has-asc
                    && root.output-dir != "";
                clicked => { root.decode(); }
            }
        }
    }
}

export component ResultsWindow inherits Window {
    title: "Decode results";
    preferred-width: 900px;
    preferred-height: 520px;

    in property <[ResultEntry]> entries;
    in-out property <int> selected-index: -1;

    in property <string> sel-label;
    in property <string> sel-date;
    in property <int> sel-unknown-count;
    in property <int> sel-error-count;
    in property <string> sel-unknown-ids;
    in property <[[StandardListViewItem]]> sel-error-rows;
    in property <string> sel-runtime-stats;

    callback select(int);

    HorizontalBox {
        padding: 8px;
        spacing: 8px;

        Rectangle {
            width: 280px;
            border-width: 1px;
            border-color: #cccccc;

            ListView {
                for entry[i] in root.entries: Rectangle {
                    height: 26px;
                    background: i == root.selected-index ? #3a78d8 : transparent;

                    TouchArea {
                        clicked => { root.select(i); }

                        HorizontalLayout {
                            padding-left: entry.is-header ? 6px : 24px;
                            padding-right: 6px;
                            spacing: 6px;

                            Text {
                                text: entry.label;
                                font-weight: entry.is-header ? 700 : 400;
                                vertical-alignment: center;
                                horizontal-stretch: 1;
                                overflow: elide;
                            }

                            if entry.is-header && entry.is-new: Rectangle {
                                background: #2ecc71;
                                border-radius: 3px;
                                width: 38px;
                                height: 16px;
                                y: (parent.height - self.height) / 2;
                                Text {
                                    text: "NEW";
                                    color: white;
                                    font-size: 10px;
                                    horizontal-alignment: center;
                                    vertical-alignment: center;
                                }
                            }
                        }
                    }
                }
            }
        }

        VerticalBox {
            padding: 0px;
            spacing: 6px;
            horizontal-stretch: 1;

            Text {
                text: root.selected-index >= 0 ? root.sel-label : "Select an ASC file on the left.";
                font-size: 14px;
                font-weight: 700;
            }

            if root.selected-index >= 0: Text {
                text: "Date: " + root.sel-date;
            }

            if root.selected-index >= 0: Text {
                text: "Unknown IDs: " + root.sel-unknown-count
                    + "    Error frames: " + root.sel-error-count;
            }

            if root.selected-index >= 0: Text {
                text: "Unknown CAN IDs";
                font-weight: 700;
            }
            if root.selected-index >= 0: Rectangle {
                border-width: 1px;
                border-color: #cccccc;
                height: 90px;
                ScrollView {
                    Text {
                        text: root.sel-unknown-ids;
                        wrap: word-wrap;
                    }
                }
            }

            if root.selected-index >= 0: Text {
                text: "Error frames";
                font-weight: 700;
            }
            if root.selected-index >= 0: StandardTableView {
                vertical-stretch: 1;
                columns: [
                    { title: "Timestamp" },
                    { title: "Channel" },
                    { title: "Data (binary)" },
                ];
                rows: root.sel-error-rows;
            }

            if root.selected-index >= 0: Text {
                text: "Runtime stats";
                font-weight: 700;
            }
            if root.selected-index >= 0: Text {
                text: root.sel-runtime-stats;
            }
        }
    }
}