import {z} from 'zod'

export type GetApiApiV5HabitsHabitLogsArgs = {habit_id: number, page?: number | undefined, size?: number | undefined};

export type GetApiApiV5HabitsHabitLogsOptions = {baseUrl?: string | undefined, RWAPIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const habitLogsSources = z.enum(["manual", "device"]);

export const habitLog = z.object({createdAt: z.string().optional(), updatedAt: z.string().optional(), deletedAt: z.string().optional(), id: z.number().int(), userId: z.number().int(), habitId: z.number().int(), value: z.number(), timestamp: z.string(), source: habitLogsSources, meta: z.object({}).optional()});

export const pageHabitLog = z.object({items: z.array(habitLog), total: z.number().int().gte(0), page: z.number().int().gte(1), size: z.number().int().gte(1)});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get habit logs
 * 
 * GET /api/v5/habits/habit-logs/
 */
export const getApiApiV5HabitsHabitLogs = async (args: GetApiApiV5HabitsHabitLogsArgs, options?: GetApiApiV5HabitsHabitLogsOptions) => {
const {baseUrl = "https://api.pavlok.com", fetch: fetchFn = fetch, RWAPIKeyHeader} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.habit_id != null) query.append("habit_id", String(args.habit_id))
if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (RWAPIKeyHeader !== undefined) headers.set("Authorization", RWAPIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v5/habits/habit-logs/${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(pageHabitLog, await res.json())
};