import { Notice, TFile } from "obsidian";
import ExternalLink from "@lucide/svelte/icons/external-link";
import FileText from "@lucide/svelte/icons/file-text";
import PenLine from "@lucide/svelte/icons/pen-line";
import ScanEye from "@lucide/svelte/icons/scan-eye";
import SquarePen from "@lucide/svelte/icons/square-pen";
import { STATUS_META } from "../lib/vocab";
import { STATUS_ORDER } from "../model/types";
import type { Task } from "../model/types";
import { replaceRaw, setStatus } from "../vault/mutate";
import { tasksApi, warnMissingTasks } from "../tasks-api";
import type { MenuItem } from "./menu-body.svelte";
import type { ViewContext } from "./context";

export async function revealInFile(view: ViewContext, task: Task): Promise<void> {
  const file = view.app.vault.getAbstractFileByPath(task.path);
  if (!(file instanceof TFile)) return;
  const leaf = view.app.workspace.getLeaf("tab");
  await leaf.openFile(file);
  const editor = view.app.workspace.activeEditor?.editor;
  if (editor) {
    editor.setCursor({ line: task.line, ch: 0 });
    editor.scrollIntoView(
      { from: { line: task.line, ch: 0 }, to: { line: task.line, ch: 0 } },
      true,
    );
  }
}

export async function editInTasks(view: ViewContext, task: Task): Promise<void> {
  const api = tasksApi(view.app);
  if (!api) {
    warnMissingTasks();
    return;
  }
  const edited = await api.editTaskLineModal(task.raw);
  if (!edited || edited === task.raw) return;
  await replaceRaw(view.app, task, edited);
}

export function taskMenu(view: ViewContext, task: Task): MenuItem[] {
  const statuses: MenuItem[] = STATUS_ORDER.filter(
    (symbol) => symbol !== task.status,
  ).map((symbol) => ({
    dot: STATUS_META[symbol].color,
    label: STATUS_META[symbol].label,
    onselect: () => void setStatus(view.app, task, symbol),
  }));

  return [
    ...statuses,
    {
      icon: ScanEye,
      label: "Quick look",
      hint: "space",
      onselect: () => {
        view.store.cursorTask = task.id;
        view.store.keyboard = true;
        if (!view.store.peeking) view.store.peek();
      },
    },
    {
      icon: PenLine,
      label: "Edit",
      hint: "e",
      onselect: () => {
        view.store.cursorTask = task.id;
        view.store.edit(task.id);
      },
    },
    {
      icon: SquarePen,
      label: "Edit in Tasks",
      onselect: () => void editInTasks(view, task),
    },
    {
      icon: FileText,
      label: "Reveal in file",
      hint: task.sphere,
      onselect: () => void revealInFile(view, task),
    },
    {
      icon: ExternalLink,
      label: "Copy raw line",
      onselect: () => {
        void navigator.clipboard.writeText(task.raw);
        new Notice("Beaver Calendar: line copied");
      },
    },
  ];
}