import {z} from 'zod'

export type QuestionType = 'open_ended' | 'single_choice' | 'multiple_choice' | 'likert_scale' | 'ranking' | 'statement' | 'range_slider' | 'matrix';

export type FollowUpRule = 'auto' | 'none' | 'on_short_answers' | 'one_followup' | 'up_to_three' | 'no_followup_allowed';

export type QuestionCreate = {question_text: string, is_required?: boolean | undefined, sort_order?: number | undefined, question_type?: QuestionType | undefined, options?: Array<string> | undefined, component_config?: ({[key: string]: unknown} | null) | undefined, follow_up_rule?: FollowUpRule | undefined, follow_up_guideline?: string | undefined, requires_screen_share?: boolean | undefined, screen_share_prompt?: string | undefined};

export type QuestionSetCreate = {name: string, description?: (string | null) | undefined, sort_order?: number | undefined, topic_metadata?: ({[key: string]: unknown} | null) | undefined, questions?: Array<QuestionCreate> | undefined};

export type CreateApiV1InterviewsInterviewIdQuestionSetsArgs = {interview_id: string, 'X-API-Key'?: (string | null) | undefined, body: QuestionSetCreate};

export type CreateApiV1InterviewsInterviewIdQuestionSetsOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const questionType = z.enum(["open_ended", "single_choice", "multiple_choice", "likert_scale", "ranking", "statement", "range_slider", "matrix"]);

export const followUpRule = z.enum(["auto", "none", "on_short_answers", "one_followup", "up_to_three", "no_followup_allowed"]);

export const questionOut = z.object({id: z.string(), question_set_id: z.string(), question_text: z.string(), is_required: z.boolean(), sort_order: z.number().int(), question_type: questionType, options: z.array(z.string()), component_config: z.record(z.string(), z.unknown()).nullable().optional(), follow_up_rule: followUpRule, follow_up_guideline: z.string().optional(), requires_screen_share: z.boolean().optional(), screen_share_prompt: z.string().optional(), created_at: z.string()});

export const questionSetOut = z.object({id: z.string(), interview_id: z.string(), name: z.string(), description: z.string().nullable(), sort_order: z.number().int(), section_type: z.string().nullable().optional(), topic_metadata: z.record(z.string(), z.unknown()).nullable().optional(), questions: z.array(questionOut).optional(), created_at: z.string()});

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
};

/**
 * Create Question Set
 * 
 * POST /v1/interviews/{interview_id}/question-sets
 */
export const createApiV1InterviewsInterviewIdQuestionSets = async (args: CreateApiV1InterviewsInterviewIdQuestionSetsArgs, options: CreateApiV1InterviewsInterviewIdQuestionSetsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args['X-API-Key'] != null) headers.set("X-API-Key", String(args['X-API-Key']))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/interviews/${encodeURIComponent(String(args.interview_id))}/question-sets${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(questionSetOut, await res.json())
};