import {z} from 'zod'

export type GetApiV1InteractivesPracticeStatusSetIdArgs = {set_id: string};

export type GetApiV1InteractivesPracticeStatusSetIdOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const practiceProblem = z.object({problem_type: z.enum(["mcq", "frq", "selectall"]), problem_statement: z.string(), correct_answer: z.union([z.string(), z.array(z.string())]).nullable().optional(), difficulty: z.enum(["easy", "medium", "hard"]).optional(), answer_choices: z.record(z.string(), z.string()).nullable().optional(), explanation: z.string().nullable().optional(), scoring_details: z.string().nullable().optional(), include_graph: z.boolean().optional(), graph_description: z.string().nullable().optional(), graph_url: z.string().nullable().optional(), user_answer: z.union([z.string(), z.array(z.string())]).nullable().optional()});

export const practiceProblemSet = z.object({set_id: z.string(), set_name: z.string().nullable().optional(), problems: z.array(practiceProblem).nullable().optional(), cost: z.number().nullable().optional()});

export const practiceProblemSetStatusResponse = z.object({set_id: z.string(), success: z.boolean(), status: z.enum(["pending", "completed", "failed", "status_error"]), message: z.string().nullable().optional(), total_problems: z.number().int(), completed_problems: z.number().int(), response: practiceProblemSet.nullable().optional(), timestamp: 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
};

/**
 * Get Practice Status
 * 
 * GET /v1/interactives/practice/status/{set_id}
 */
export const getApiV1InteractivesPracticeStatusSetId = async (args: GetApiV1InteractivesPracticeStatusSetIdArgs, options: GetApiV1InteractivesPracticeStatusSetIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/interactives/practice/status/${encodeURIComponent(String(args.set_id))}${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(practiceProblemSetStatusResponse, await res.json())
};