export type WorkActivitySourceType = 'version_plan' | 'dev_task' | 'test_case' | 'bug' | 'manual';

export type WorkActivityCategory = 'delivery' | 'progress' | 'creation' | 'risk' | 'note';

export type WorkActivityAction =
  | 'version_plan_created'
  | 'version_plan_started'
  | 'version_plan_completed'
  | 'dev_task_created'
  | 'dev_task_started'
  | 'dev_task_self_testing'
  | 'dev_task_submitted'
  | 'dev_task_blocked'
  | 'dev_task_unblocked'
  | 'dev_task_transferred'
  | 'test_case_created'
  | 'test_case_started'
  | 'test_case_passed'
  | 'test_case_failed'
  | 'test_case_blocked'
  | 'bug_created'
  | 'bug_fixing'
  | 'bug_fixed'
  | 'bug_closed'
  | 'bug_blocked'
  | 'bug_transferred'
  | 'progress_note_added';

export interface WorkActivity {
  id: string;
  actorId: string;
  date: string;
  occurredAt: string;
  sourceType: WorkActivitySourceType;
  sourceId: string;
  action: WorkActivityAction;
  category: WorkActivityCategory;
  title: string;
  summary: string;
  metadata?: {
    fromStatus?: string;
    toStatus?: string;
    note?: string;
    blocker?: string;
    helperId?: string;
    delayRisk?: string;
    [key: string]: unknown;
  };
}

export type WorkActivityDraft = Omit<WorkActivity, 'id' | 'date' | 'occurredAt'> & {
  date?: string;
  occurredAt?: string;
};

export const WORK_ACTIVITY_CATEGORY_LABEL: Record<WorkActivityCategory, string> = {
  delivery: '今日交付',
  progress: '今日推进',
  creation: '今日新增',
  risk: '风险/阻塞',
  note: '进展说明',
};

export function mergeWorkActivities(remote: WorkActivity[] = [], local: WorkActivity[] = []): WorkActivity[] {
  const byId = new Map<string, WorkActivity>();
  for (const item of remote) byId.set(item.id, item);
  for (const item of local) byId.set(item.id, item);
  return Array.from(byId.values()).sort((a, b) => a.occurredAt.localeCompare(b.occurredAt));
}