import { type } from '@ngrx/signals';
import { eventGroup } from '@ngrx/signals/events';
import {
  Activity,
  ChangeStatusInput,
  Comment,
  CommentChanged,
  Issue,
  IssueSummary,
  LinkIssuesInput,
  UpdateIssueInput,
  ReviewVerdict,
} from '@task-stream/web/tracker/domain';

export const issuePageEvents = eventGroup({
  source: 'Issue Page',
  events: {
    opened: type<{ idOrKey: string }>(),
    /** `undoing`: it is the «Deshacer» of a change, which offers none. */
    statusChangeRequested: type<ChangeStatusInput & { undoing?: boolean }>(),
    assignRequested: type<{
      issueId: string;
      assigneeId: string | null;
      undoing?: boolean;
    }>(),
    updateRequested: type<UpdateIssueInput>(),
    linkRequested: type<LinkIssuesInput>(),
    /** Relate by the other ticket's key (e.g. BE-3), resolved to its id first. */
    linkByKeyRequested: type<{
      issueId: string;
      type: LinkIssuesInput['type'];
      targetKey: string;
    }>(),
    unlinkRequested: type<LinkIssuesInput>(),
    sprintChangeRequested: type<{
      issueId: string;
      sprintId: string | null;
    }>(),
    releaseChangeRequested: type<{
      issueId: string;
      releaseId: string | null;
    }>(),
    commentAddRequested: type<{
      issueId: string;
      body: string;
      /** Uploaded under the new comment once it exists. */
      files?: File[];
      /** Comment it answers (one level of replies). */
      replyTo?: string | null;
      /** A quick poll's options. */
      poll?: string[] | null;
    }>(),
    pollVoteRequested: type<{ commentId: string; option: number | null }>(),
    pollCloseRequested: type<{ commentId: string; decide: boolean }>(),
    watchRequested: type<{ issueId: string; watching: boolean }>(),
    pinRequested: type<{ issueId: string; pinned: boolean }>(),
    followTreeRequested: type<{ issueId: string; on: boolean }>(),
    reviewRequested: type<{
      issueId: string;
      reviewerId: string;
      note: string | null;
    }>(),
    reviewAnswerRequested: type<{
      issueId: string;
      reviewId: string;
      verdict: ReviewVerdict;
      answer: string | null;
    }>(),
    reviewCancelRequested: type<{ issueId: string; reviewId: string }>(),
    reminderRequested: type<{
      issueId: string;
      /** null: drop it. */
      at: string | null;
      note: string | null;
    }>(),
    trashRequested: type<{
      issueId: string;
      trashed: boolean;
      undoing?: boolean;
    }>(),
    /** Place the ticket under another one by its key (e.g. WEB-3); null: out. */
    parentRequested: type<{ issueId: string; parentKey: string | null }>(),
    subtaskCreateRequested: type<{
      projectId: string;
      parentId: string;
      type: string;
      title: string;
    }>(),
    checklistAddRequested: type<{ issueId: string; text: string }>(),
    checklistUpdateRequested: type<{
      issueId: string;
      itemId: string;
      changes: { text?: string; done?: boolean };
    }>(),
    checklistRemoveRequested: type<{ issueId: string; itemId: string }>(),
    attachRequested: type<{
      issueId: string;
      files: File[];
      commentId?: string | null;
    }>(),
    attachmentRemoveRequested: type<{
      issueId: string;
      attachmentId: string;
    }>(),
    commentEditRequested: type<{ commentId: string; body: string }>(),
    reactRequested: type<{ commentId: string; emoji: string; on: boolean }>(),
    decisionRequested: type<{ commentId: string; on: boolean }>(),
    threadResolveRequested: type<{
      commentId: string;
      resolved: boolean;
      conclusion: string | null;
    }>(),
    commentToIssueRequested: type<{
      commentId: string;
      title: string;
      type: string;
      asSubtask: boolean;
    }>(),
    voteRequested: type<{ issueId: string; on: boolean }>(),
    /** An image pasted into a text was uploaded (it joins the ticket's files). */
    imagePasted: type<{ issueId: string }>(),
    commentDeleteRequested: type<{ commentId: string }>(),
  },
});

export const issueApiEvents = eventGroup({
  source: 'Issue API',
  events: {
    loaded: type<Issue>(),
    loadFailed: type<string>(),
    commentsLoaded: type<Comment[]>(),
    historyLoaded: type<Activity[]>(),
    childrenLoaded: type<IssueSummary[]>(),
    commandSucceeded: type<string>(),
    /** A checklist step was saved (no toast for something so small). */
    checklistSaved: type<void>(),
    /** Changed, and «Deshacer» offered instead of a plain toast. */
    undoOffered: type<void>(),
    commandFailed: type<string>(),
  },
});

export const issueRealtimeEvents = eventGroup({
  source: 'Issue Realtime',
  events: {
    /** Something about this ticket changed: refetch it. */
    issueTouched: type<{ issueId: string; version: number }>(),
    /** A ticket under this one changed, arrived or left: reload them. */
    childrenTouched: type<{ issueId: string }>(),
    commentChanged: type<CommentChanged>(),
  },
});