import {z} from 'zod'

export type RotationTimeWindow = {days?: Array<number> | undefined, end_minute: number, start_minute: number};

export type ShiftRule = {anchor_micros: number, ends_at?: (number | null) | undefined, members: Array<string>, name?: string | undefined, priority?: number | undefined, restrictions?: Array<RotationTimeWindow> | undefined, shift_micros: number, starts_at?: (number | null) | undefined};

export type Rotation = {id: string, name: string, shift_rules?: Array<ShiftRule> | undefined, source?: (string | null) | undefined};

export type SetScheduleRequest = {rotations?: Array<Rotation> | undefined, timezone?: (string | null) | undefined};

export type UpdateApiApiOrgIdOncallTeamsTeamIdScheduleArgs = {org_id: string, team_id: string, body: SetScheduleRequest};

export type UpdateApiApiOrgIdOncallTeamsTeamIdScheduleOptions = {baseUrl: string, Authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const scheduleOverride = z.object({covering_for: z.string().nullable().optional(), created_at: z.number().int(), created_by: z.string(), end_at: z.number().int(), id: z.string(), org_id: z.string(), reason: z.string().nullable().optional(), rotation_id: z.string(), start_at: z.number().int(), team_id: z.string(), user_email: z.string()});

export const rotationTimeWindow = z.object({days: z.array(z.number().int().gte(0)).optional(), end_minute: z.number().int().gte(0), start_minute: z.number().int().gte(0)});

export const shiftRule = z.object({anchor_micros: z.number().int(), ends_at: z.number().int().nullable().optional(), members: z.array(z.string()), name: z.string().optional(), priority: z.number().int().optional(), restrictions: z.array(rotationTimeWindow).optional(), shift_micros: z.number().int(), starts_at: z.number().int().nullable().optional()});

export const rotation = z.object({id: z.string(), name: z.string(), shift_rules: z.array(shiftRule).optional(), source: z.string().nullable().optional()});

export const unavailability = z.object({created_at: z.number().int(), created_by: z.string(), end_at: z.number().int(), id: z.string(), org_id: z.string(), reason: z.string().nullable().optional(), start_at: z.number().int(), user_email: z.string()});

export const schedule = z.object({created_at: z.number().int(), id: z.string(), org_id: z.string(), overrides: z.array(scheduleOverride).optional(), rotations: z.array(rotation), team_id: z.string(), timezone: z.string(), unavailability: z.array(unavailability).optional(), updated_at: z.number().int()});

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
};

/**
 * Replace a team's schedule
 * 
 * PUT /api/{org_id}/oncall/teams/{team_id}/schedule
 */
export const updateApiApiOrgIdOncallTeamsTeamIdSchedule = async (args: UpdateApiApiOrgIdOncallTeamsTeamIdScheduleArgs, options: UpdateApiApiOrgIdOncallTeamsTeamIdScheduleOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (Authorization !== undefined) headers.set("Authorization", Authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.org_id))}/oncall/teams/${encodeURIComponent(String(args.team_id))}/schedule${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", headers, body: JSON.stringify(args.body)})

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

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