import {z} from 'zod'

export type GetApiAssessmentsArgs = {name?: string | undefined, status?: string | undefined, lastModifiedFrom?: string | undefined, lastModifiedUntil?: string | undefined, templateId?: string | undefined, templateVersion?: string | undefined, assetId?: string | undefined, limit?: number | undefined, cursor?: string | undefined};

export type GetApiAssessmentsOptions = {baseUrl: string, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const assessmentStatus = z.string();

export const originAssessment = z.object({id: z.string(), status: assessmentStatus});

export const asset = z.object({id: z.string()});

export const assetType = z.object({id: z.string()});

export const retakePermission = z.string();

export const template = z.object({id: z.string(), name: z.string(), version: z.number().int(), status: z.string(), assetType: assetType.optional(), notification: z.boolean().optional(), retakePermission: retakePermission.optional()});

export const user = z.object({id: z.string()});

export const userAssignee = z.object({type: z.string(), id: z.string()});

export const provider = z.string();

export const groupMapping = z.object({provider: provider, identity: z.string()});

export const groupAssignee = z.object({type: z.string(), id: z.string(), createdBy: z.string(), createdOn: z.number().int(), lastModifiedBy: z.string(), lastModifiedOn: z.number().int(), name: z.string(), mappings: z.array(groupMapping)});

export const userOrGroupAssignee = z.discriminatedUnion("type", [userAssignee, groupAssignee]);

export const item = z.object({id: z.string(), value: z.string().optional()});

export const userAnswer = z.object({type: z.string(), id: z.string()});

export const groupAnswer = z.object({type: z.string(), id: z.string(), createdBy: z.string(), createdOn: z.number().int(), lastModifiedBy: z.string(), lastModifiedOn: z.number().int(), name: z.string(), mappings: z.array(groupMapping)});

export const userOrGroupAnswer = z.discriminatedUnion("type", [userAnswer, groupAnswer]);

export const assessmentAttachment = z.object({id: z.string(), fileName: z.string().optional(), createdBy: z.string().optional(), createdOn: z.string().optional()});

export const answer = z.discriminatedUnion("type", [z.object({type: z.string(), value: z.string()}), z.object({type: z.string(), value: z.string()}), z.object({type: z.string(), value: z.string()}), z.object({type: z.string(), value: z.boolean()}), z.object({type: z.string(), value: z.array(item)}), z.object({type: z.string(), value: z.number()}), z.object({type: z.string(), value: z.string()}), z.object({type: z.string(), value: z.array(asset)}), z.object({type: z.string(), value: z.array(userOrGroupAnswer)}), z.object({type: z.string(), value: z.array(assessmentAttachment)})]);

export const questionAndAnswer = z.object({id: z.string(), name: z.string().optional(), description: z.string().optional(), answer: answer.optional(), comments: z.string().optional()});

export const assessment = z.object({id: z.string(), originAssessment: originAssessment.optional(), name: z.string(), asset: asset.optional(), status: assessmentStatus, template: template, owner: user, assignees: z.array(userOrGroupAssignee), isVisibleToEveryone: z.boolean().optional(), content: z.array(questionAndAnswer), createdOn: z.string(), createdBy: user, lastModifiedOn: z.string(), lastModifiedBy: user, submittedOn: z.string().optional(), submittedBy: user.optional(), assessmentReview: asset.optional()});

export const pagedAssessments = z.object({nextCursor: z.string().optional(), results: z.array(assessment)});

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
};

/**
 * List assessments
 * 
 * GET /assessments
 * 
 * Also accepts auth: jwtAuth, oauth2, oauth2
 */
export const getApiAssessments = async (args: GetApiAssessmentsArgs, options: GetApiAssessmentsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.name != null) query.append("name", String(args.name))
if (args.status != null) query.append("status", String(args.status))
if (args.lastModifiedFrom != null) query.append("lastModifiedFrom", String(args.lastModifiedFrom))
if (args.lastModifiedUntil != null) query.append("lastModifiedUntil", String(args.lastModifiedUntil))
if (args.templateId != null) query.append("templateId", String(args.templateId))
if (args.templateVersion != null) query.append("templateVersion", String(args.templateVersion))
if (args.assetId != null) query.append("assetId", String(args.assetId))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/assessments${query.size > 0 ? `?${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(pagedAssessments, await res.json())
};