import { ReviewVerdict } from '../issue/review';
import { DevLink } from '../issue/dev-link';
import { IssueLinkType, IssuePriority } from '../issue/issue.enums';
import { StatusCategory } from '../project/project-settings';
import { UserRefReadModel } from './user-ref.read-model';

export type LinkDirection = 'OUTWARD' | 'INWARD';

export class IssueLinkReadModel {
  type!: IssueLinkType;
  /** OUTWARD: this issue → other (e.g. "blocks"). INWARD: other → this ("is blocked by"). */
  direction!: LinkDirection;
  issueId!: string;
  issueKey!: string;
}

export class AttachmentReadModel {
  id!: string;
  fileName!: string;
  mimeType!: string;
  size!: number;
  uploadedBy!: UserRefReadModel;
  uploadedAt!: string;
  /** Shown under this comment when set. */
  commentId!: string | null;
}

export class ChecklistItemReadModel {
  id!: string;
  text!: string;
  done!: boolean;
}

/** The ticket another one hangs from. */
export class IssueParentReadModel {
  id!: string;
  key!: string;
  title!: string;
}

/** How far the tickets hanging from one have got. */
export class ChildProgressReadModel {
  total!: number;
  /** Done or cancelled. */
  finished!: number;
  percent!: number;
  storyPoints!: number;
  finishedStoryPoints!: number;
}

/** A top-level ticket that groups others, with their progress. */
export class EpicReadModel {
  issue!: IssueReadModel;
  progress!: ChildProgressReadModel;
}

export class IssueReadModel {
  id!: string;
  projectId!: string;
  projectKey!: string;
  number!: number;
  key!: string;
  /** Ids from the project's settings. */
  type!: string;
  area!: string | null;
  /** A team id of the project's settings. */
  team!: string | null;
  title!: string;
  description!: string | null;
  status!: string;
  /** Category of `status` (kept in sync when the project's settings change). */
  statusCategory!: StatusCategory;
  priority!: IssuePriority;
  reporter!: UserRefReadModel;
  assignee!: UserRefReadModel | null;
  release!: { id: string; name: string } | null;
  sprint!: { id: string; name: string } | null;
  labels!: string[];
  figmaUrl!: string | null;
  storyPoints!: number | null;
  startDate!: string | null;
  dueDate!: string | null;
  /** The project's custom fields: field id → value (only those with one). */
  customFields!: Record<string, string>;
  links!: IssueLinkReadModel[];
  attachments!: AttachmentReadModel[];
  /** People following the ticket. */
  watchers!: UserRefReadModel[];
  /** Asked reviews, open and answered, oldest first. */
  reviews!: IssueReviewReadModel[];
  /** How many want it done. */
  votes!: number;
  /** Who voted: to tell someone whether they did; never shown as a list. */
  voterIds!: string[];
  parent!: IssueParentReadModel | null;
  /** Place in the backlog (and in each board column): ascending. */
  rank!: string;
  checklist!: ChecklistItemReadModel[];
  /** Commits, branches and pull requests that mention it. */
  devLinks!: DevLink[];
  /** In the trash since then (null: not in it). */
  trashedAt!: string | null;
  commentCount!: number;
  createdAt!: string;
  updatedAt!: string;
  /** Position of the last projected event. */
  version!: number;
}

/** A review asked on a ticket, as the read side shows it. */
export class IssueReviewReadModel {
  id!: string;
  requester!: UserRefReadModel;
  reviewer!: UserRefReadModel;
  note!: string | null;
  requestedAt!: string;
  /** Null while waiting for an answer. */
  verdict!: ReviewVerdict | null;
  answer!: string | null;
  answeredAt!: string | null;
}