import {z} from 'zod'

export type SelectedChoices = {choice_id: string, choice_label?: string | undefined};

export type SelectedChoiceQualifier = {choice_id: string, choice_label?: string | undefined, choice_qualifier: string};

export type UpdateApiAssessmentApiV1ContinueAssessmentIdQidArgs = {'client-id': string, locale?: ('en' | 'hi' | 'kn') | undefined, assessment_id: string, qid: number, body: {user_response?: (Array<{selected_choices: Array<SelectedChoices>} | {selected_choices: Array<SelectedChoices>} | {selected_choices: Array<SelectedChoices>} | {selected_choices: Array<SelectedChoiceQualifier>} | {user_input: string} | Record<string, never>>) | undefined}};

export type UpdateApiAssessmentApiV1ContinueAssessmentIdQidOptions = {baseUrl?: string | undefined, authApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const masterComponentData = z.object({url: z.object({base_url: z.string().optional(), query_params: z.object({gender: z.string().optional(), age: z.string().optional(), src: z.string().optional()}).optional(), search_query_param: z.string().optional()}).optional(), autosuggest_static_choices: z.object({sections: z.array(z.object({section_title: z.string().optional(), choices: z.array(z.object({id: z.string(), common_name: z.string(), is_selected: z.boolean().optional()})).optional()})).optional()}).optional(), choices: z.array(z.object({choice_id: z.string(), choice_label: z.string(), qualifier: z.object({id: z.enum(["p", "a", "u"]), label: z.enum(["Yes", "No", "Don't Know"]), is_selected: z.boolean().optional()}), is_selected: z.boolean().optional()})).optional()});

export const questionMandatory = z.boolean();

export const assessmentProgress = z.number().gte(0).lte(100);

export const assessmentLastQuestion = z.boolean();

export const masterComponentResponse = z.object({questions: z.array(z.object({qid: z.number().int(), component_code: z.string(), question_text: z.string(), tip: z.string().optional(), component_data: masterComponentData, is_mandatory: questionMandatory.optional()})), progress: assessmentProgress, is_last_question: assessmentLastQuestion});

export const aTSGComponentData = z.object({url: z.object({base_url: z.string().optional(), query_params: z.object({gender: z.string().optional(), age: z.string().optional(), src: z.string().optional()}).optional(), search_query_param: z.string().optional()}), autosuggest_static_choices: z.object({sections: z.array(z.object({section_title: z.string().optional(), choices: z.array(z.object({id: z.string(), common_name: z.string(), is_selected: z.boolean().optional()})).optional()})).optional()})});

export const aTSGComponentResponse = z.object({questions: z.array(z.object({qid: z.number().int(), component_code: z.string(), question_text: z.string(), tip: z.string().optional(), component_data: aTSGComponentData, is_mandatory: questionMandatory.optional()})), progress: assessmentProgress, is_last_question: assessmentLastQuestion});

export const questionChoice = z.object({choice_id: z.string(), choice_label: z.string(), is_selected: z.boolean().optional()});

export const baseChoiceComponentData = z.object({choices: z.array(questionChoice)});

export const radioComponentResponse = z.object({questions: z.array(z.object({qid: z.number().int(), component_code: z.string(), question_text: z.string(), tip: z.string().optional(), component_data: baseChoiceComponentData, is_mandatory: questionMandatory.optional()})), progress: assessmentProgress, is_last_question: assessmentLastQuestion});

export const multiComponentResponse = z.object({questions: z.array(z.object({qid: z.number().int(), component_code: z.string(), question_text: z.string(), tip: z.string().optional(), component_data: baseChoiceComponentData, is_mandatory: questionMandatory.optional()})), progress: assessmentProgress, is_last_question: assessmentLastQuestion});

export const questionChoiceQualifier = z.object({choice_id: z.string(), choice_label: z.string(), qualifier: z.object({id: z.enum(["p", "a", "u"]), label: z.enum(["Yes", "No", "Don't Know"]), is_selected: z.boolean().optional()})});

export const radioGroupComponentData = z.object({choices: z.array(questionChoiceQualifier)});

export const radioGroupComponentResponse = z.object({questions: z.array(z.object({qid: z.number().int(), component_code: z.string(), question_text: z.string(), tip: z.string().optional(), component_data: radioGroupComponentData, is_mandatory: questionMandatory.optional()})), progress: assessmentProgress, is_last_question: assessmentLastQuestion});

export const lastQuestionResponse = z.object({is_last_question: assessmentLastQuestion.optional(), progress: assessmentProgress.optional()});

export const updateApiAssessmentApiV1ContinueAssessmentIdQidResponse = z.union([masterComponentResponse, aTSGComponentResponse, radioComponentResponse, multiComponentResponse, radioGroupComponentResponse, lastQuestionResponse]);

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
};

/**
 * Step 3. Continue Assessment
 * 
 * PUT /assessment/api/v1/continue/{assessment_id}/{qid}
 */
export const updateApiAssessmentApiV1ContinueAssessmentIdQid = async (args: UpdateApiAssessmentApiV1ContinueAssessmentIdQidArgs, options?: UpdateApiAssessmentApiV1ContinueAssessmentIdQidOptions) => {
const {baseUrl = "https://api.eka.care", fetch: fetchFn = fetch, authApiKey} = options ?? {}

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

if (args['client-id'] != null) headers.set("client-id", String(args['client-id']))
if (args.locale != null) headers.set("locale", String(args.locale))
if (authApiKey !== undefined) headers.set('authorization', `Bearer ${authApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/assessment/api/v1/continue/${encodeURIComponent(String(args.assessment_id))}/${encodeURIComponent(String(args.qid))}${query.size > 0 ? `?${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(updateApiAssessmentApiV1ContinueAssessmentIdQidResponse, await res.json())
};