Modals

private const val MODAL_NAME = "request role"
private const val INPUT_REASON = "reason"
private const val INPUT_ROLE = "role"
private const val INPUT_DETAILS = "details"

@Command
class SlashRequestRole(private val modals: Modals) {

    @JDASlashCommand(name = "request_role", description = "Request a role")
    fun onSlashRequestRole(event: GuildSlashEvent) {
        val modal = modals.create("Role Request Form") {
            text(
                """
                    ### Welcome!
                    Please read the following before continuing:
                    1. Select the role you wish to get
                    2. Select the reason why you want this role
                    3. (Optional) Add any detail about your request

                    -# Abuse of this system may result in penalties
                """.trimIndent()
            )

            label("Role") {
                child = EntitySelectMenu(INPUT_ROLE, SelectTarget.ROLE)
            }

            label("Reason") {
                child = StringSelectMenu(INPUT_REASON) {
                    option("It looks cool!", "cool")
                    option("I like the color", "color")
                    option("I am interested in the relevant discussions", "discussions")
                }
            }

            label("Details") {
                child = TextInput(INPUT_DETAILS, TextInputStyle.PARAGRAPH, isRequired = false)
            }

            bindTo(MODAL_NAME)
        }

        event.replyModal(modal).queue()
    }

    @ModalHandler(MODAL_NAME)
    fun onRequestRoleModal(
        event: ModalEvent,
        @ModalInput(INPUT_REASON) reason: List<String>,
        @ModalInput(INPUT_ROLE) roles: List<Role>,
        @ModalInput(INPUT_DETAILS) details: String,
    ) {
        event.reply("Your request has been submitted!")
            .setEphemeral(true)
            .queue()
    }
}

@Command
public class SlashRequestRole extends ApplicationCommand {

    private static final String MODAL_NAME = "request role";
    private static final String INPUT_ROLE = "role";
    private static final String INPUT_REASON = "reason";
    private static final String INPUT_DETAILS = "details";

    private final Modals modals;

    public SlashRequestRole(Modals modals) {
        this.modals = modals;
    }

    @JDASlashCommand(name = "request_role", description = "Request a role")
    public void onSlashRequestRole(GuildSlashEvent event) {
        var modal = modals.create("Role Request Form")
                .addComponents(
                        TextDisplay.of("""
                                ### Welcome!
                                Please read the following before continuing:
                                1. Select the role you wish to get
                                2. Select the reason why you want this role
                                3. (Optional) Add any detail about your request

                                -# Abuse of this system may result in penalties
                                """),
                        Label.of(
                                "Role",
                                EntitySelectMenu.create(INPUT_ROLE, SelectTarget.ROLE).build()
                        ),
                        Label.of(
                                "Reason",
                                StringSelectMenu.create(INPUT_REASON)
                                        .addOption("It looks cool!", "cool")
                                        .addOption("I like the color", "color")
                                        .addOption("I am interested in the relevant discussions", "discussions")
                                        .build()
                        ),
                        Label.of(
                                "Details",
                                TextInput.create(INPUT_DETAILS, TextInputStyle.PARAGRAPH)
                                        .setRequired(false)
                                        .build()
                        )
                )
                .bindTo(MODAL_NAME)
                .build();

        event.replyModal(modal).queue();
    }

    @ModalHandler(MODAL_NAME)
    public void onRequestRoleModal(
            ModalEvent event,
            @ModalInput(INPUT_ROLE) List<Role> roles,
            @ModalInput(INPUT_REASON) List<String> reason,
            @ModalInput(INPUT_DETAILS) String details
    ) {
        event.reply("Your request has been submitted!")
                .setEphemeral(true)
                .queue();
    }
}