import { Intro } from "setup/intro.slint";
import { Firmware, InstallFirmware } from "setup/firmware.slint";
import { Conclusion } from "setup/conclusion.slint";
import { NavBar } from "setup/nav.slint";
import { Palette } from "std-widgets.slint";
import { DataRoot } from "setup/root.slint";

export { InstallFirmware }

// https://github.com/slint-ui/slint/issues/6880
enum SetupPage {
    Intro,
    DataRoot,
    Firmware,
    Conclusion
}

export component SetupWizard inherits Window {
    in-out property <string> data-root;
    in-out property <string> firmware-dump;

    pure callback cancel <=> nav.cancel;
    pure callback get-dumper();
    pure callback browse-data-root();
    pure callback set-data-root();
    pure callback browse-firmware();
    pure callback install-firmware();
    pure callback finish();

    title: "Setup Obliteration";
    icon: @image-url("@root/assets/icon.png");
    min-width: 500px;
    preferred-width: 500px;
    min-height: 400px;
    preferred-height: 400px;

    private property <SetupPage> page: SetupPage.Intro;

    states [
        finished when page == SetupPage.Conclusion: {
            nav.next-text: "Finish";
        }
    ]

    // Content.
    VerticalLayout {
        // Intro.
        if page == SetupPage.Intro: Intro {
            vertical-stretch: 1;
            get-dumper => {
                get-dumper();
            }
        }

        // Data root.
        if page == SetupPage.DataRoot: DataRoot {
            path <=> data-root;
            vertical-stretch: 1;

            browse => {
                browse-data-root();
            }
        }

        // Firmware.
        if page == SetupPage.Firmware: Firmware {
            firmware-dump <=> firmware-dump;
            vertical-stretch: 1;

            browse => {
                browse-firmware();
            }
        }

        // Conclusion.
        if page == SetupPage.Conclusion: Conclusion {
            vertical-stretch: 1;
        }

        // Navigation.
        nav := NavBar {
            back-text: "＜ Back";
            back-enabled: root.page != SetupPage.Intro && root.page != SetupPage.Conclusion;
            next-text: "Next ＞";
            back-clicked => {
                if page == SetupPage.DataRoot {
                    page = SetupPage.Intro;
                } else if page == SetupPage.Firmware {
                    page = SetupPage.DataRoot;
                }
            }
            next-clicked => {
                if page == SetupPage.Intro {
                    page = SetupPage.DataRoot;
                } else if page == SetupPage.DataRoot {
                    // https://github.com/slint-ui/slint/issues/2752
                    set-data-root();
                } else if page == SetupPage.Firmware {
                    install-firmware();
                } else if page == SetupPage.Conclusion {
                    finish();
                }
            }
        }
    }

    // Functions.
    public function set-data-root-ok(has-firmware: bool) {
        if has-firmware {
            page = SetupPage.Conclusion;
        } else {
            page = SetupPage.Firmware;
        }
    }

    public function set-firmware-finished() {
        page = SetupPage.Conclusion;
    }
}