export interface ApiCourse {
  id: number
  title: string
  category?: string | null
  course_system_dict_item_id?: number | null
  course_system_item?: { id: number; label: string; value: string } | null
  teach_start_date?: string | null
  teach_end_date?: string | null
  time_range?: string | null
  location?: string | null
  teacher?: string | null
  teacher_title?: string | null
  university?: string | null
  main_speakers?: Array<{ name?: string; university?: string; title?: string; remark?: string }>
  recruit_targets?: string[]
  signup_start_date?: string | null
  signup_end_date?: string | null
  capacity: number
  signups_count: number
  progress_status: number
  progress_status_label: string
  intro_html?: string | null
  cover?: { url?: string | null } | null
  promo?: { url?: string | null } | null
  can_signup?: boolean
  has_signed_up?: boolean
}

export interface ApiActivity {
  id: number
  title: string
  activity_type_dict_item_id?: number | null
  activity_type_item?: { id: number; label: string; value: string } | null
  event_start_date?: string | null
  event_end_date?: string | null
  signup_start_date?: string | null
  signup_end_date?: string | null
  location?: string | null
  intro_html?: string | null
  summary?: string | null
  progress_status: number
  progress_status_label: string
  display_status: string
  signups_count?: number
  has_signed_up?: boolean
  can_signup?: boolean
  sessions?: ApiActivitySession[]
  session?: ApiActivitySession | null
}

export interface ApiActivitySession {
  id: number
  title?: string | null
  date?: string | null
  end_date?: string | null
  time?: string | null
  venue?: string | null
  capacity: number
  signed: number
  remaining?: number | null
  is_full: boolean
  has_signed_up?: boolean
}

export interface ApiNews {
  id: number
  title: string
  tag?: string | null
  category_dict_item_id?: number | null
  summary?: string | null
  date?: string | null
  content?: string | null
  content_html?: string | null
  source?: string | null
  source_url?: string | null
}

export interface ApiBanner {
  id: number
  type: string
  title?: string | null
  cover_url?: string | null
  content_html?: string | null
  kicker?: string | null
  status_label?: string | null
  seats_text?: string | null
  datetime_text?: string | null
  target_type: 'course' | 'activity' | 'news' | 'custom'
  target_id?: number | null
}

export interface ApiUser {
  id: number
  nickname?: string | null
  avatar_url?: string | null
  name?: string | null
  mobile?: string | null
  company?: string | null
  job_title?: string | null
  research_direction?: string | null
  research_direction_ids?: number[]
  is_partner: boolean
  is_incubation?: boolean
  is_admin?: boolean
  is_grid_member?: boolean
  is_staff?: boolean
  role?: string
  role_label?: string
  identity_type?: string | null
  can_see_radar?: boolean
  can_see_papers?: boolean
  can_access_demands?: boolean
  can_use_crawler?: boolean
  admin_user_id?: number | null
}

export interface ApiResearchDirection {
  id: number
  name: string
}

export interface ApiDictItem {
  id: number
  label: string
  value: string
}

export interface ApiDemand {
  id: number
  type?: string | null
  type_dict_item_id?: number
  status?: string | null
  title: string
  industry_type?: string | null
  main_business?: string | null
  finance_amount?: string | null
  job_positions?: string | null
  description?: string | null
  date?: string | null
}

export interface Paginated<T> {
  items: T[]
  meta: {
    current_page: number
    per_page: number
    total: number
    last_page: number
  }
}

export interface CalendarEvent {
  id: number
  activity_id?: number
  title: string
  start_date?: string | null
  end_date?: string | null
  time_range?: string | null
  location?: string | null
  progress_status: number
  progress_status_label: string
}

export interface CalendarResponse {
  month: string
  events: CalendarEvent[]
}