import type { RoomsResponse, ActivityEntry, AppConfig, TaskData } from './types'

const BASE = '/room-planner/api'

async function request<T>(path: string, opts: RequestInit = {}): Promise<T> {
  const res = await fetch(`${BASE}${path}`, {
    credentials: 'include',
    headers: { 'Content-Type': 'application/json', ...opts.headers },
    ...opts,
  })
  if (!res.ok) {
    const err = await res.json().catch(() => ({ error: res.statusText }))
    throw new Error(err.error || `Request failed: ${res.status}`)
  }
  return res.json()
}

export function fetchRooms(date: string): Promise<RoomsResponse> {
  return request(`/rooms?date=${date}`)
}

export function completeTask(taskId: string, roomId: string, serviceDate: string, bookingRef?: string) {
  return request<{ ok: boolean; site_status: string | null }>('/tasks/complete', {
    method: 'POST',
    body: JSON.stringify({ task_id: taskId, room_id: roomId, service_date: serviceDate, booking_ref: bookingRef }),
  })
}

export function uncompleteTask(taskId: string) {
  return request<{ ok: boolean }>('/tasks/uncomplete', {
    method: 'POST',
    body: JSON.stringify({ task_id: taskId }),
  })
}

export function updateStatus(roomId: string, status: string, serviceDate: string, bookingRef?: string) {
  return request<{ ok: boolean }>('/status', {
    method: 'POST',
    body: JSON.stringify({ room_id: roomId, status, service_date: serviceDate, booking_ref: bookingRef }),
  })
}

export function fetchConfig(): Promise<AppConfig> {
  return request('/config')
}

export function updateConfig(key: string, value: unknown): Promise<{ ok: boolean }> {
  return request(`/config/${key}`, {
    method: 'PUT',
    body: JSON.stringify({ value }),
  })
}

export function fetchTaskTypes(): Promise<Array<{ id: string; name: string }>> {
  return request('/config/task-types')
}

export function fetchActivity(date: string): Promise<ActivityEntry[]> {
  return request(`/activity?date=${date}`)
}

export function logActivity(entry: {
  room_id: string
  event_type: ActivityEntry['event_type']
  event_data?: Record<string, unknown>
  service_date?: string
  booking_ref?: string
}): Promise<{ ok: boolean }> {
  return request('/activity', { method: 'POST', body: JSON.stringify(entry) })
}

export function fetchEvents(since: string): Promise<{
  pings: Array<{ id: number; booking_ids: string[]; event_types: string[]; detected_at: string }>
  server_time: string
}> {
  return request(`/events?since=${encodeURIComponent(since)}`)
}