import { AppError } from "@/error";
import { Task } from "@/model/task";
import { TaskScope } from "@/model/taskLocation";
import { TaskFilter } from "./filterTasks";
import { GroupBy } from "./groupBy";
import { DashboardScopeFilter } from "./messages";
import { TaskSortDirection } from "./sortTasks";

/** Task row for the list (domain task + scope for display). */
export type DashboardListTask = Task & {
	scope: TaskScope;
};

export type DashboardListGroup = {
	key: string;
	label: string;
	tasks: DashboardListTask[];
};

/** Host → webview messages (presentation payload only). */
export type DashboardOutboundMessage =
	| {
			variant: "state";
			filter: TaskFilter;
			groupBy: GroupBy;
			selectedId: string | undefined;
			groups: DashboardListGroup[];
			selected: DashboardListTask | null;
			scopeFilter: DashboardScopeFilter;
			sortDirection: TaskSortDirection;
			availableScopes: TaskScope[];
	  }
	| { variant: "error"; error: AppError };