import {z} from 'zod'

export type HeadTailQueryRewriteRequest = {description?: string | undefined, externalId?: string | undefined, published?: boolean | undefined, type: 'HEAD_TAIL', surfaceForm?: string | undefined, outputs?: Array<string> | undefined};

export type MisspellingQueryRewriteRequest = {description?: string | undefined, externalId?: string | undefined, published?: boolean | undefined, type: 'MISSPELLING', surfaceForm?: string | undefined, outputs?: Array<string> | undefined};

export type PhraseQueryRewriteRequest = {description?: string | undefined, externalId?: string | undefined, published?: boolean | undefined, type: 'PHRASE', surfaceForm?: string | undefined};

export type RemoveWordsQueryRewriteRequest = {description?: string | undefined, externalId?: string | undefined, published?: boolean | undefined, type: 'REMOVE_WORDS', surfaceForm?: string | undefined, triggerPhrases?: Array<string> | undefined};

export type SynonymQueryRewriteRequest = {description?: string | undefined, externalId?: string | undefined, published?: boolean | undefined, type: 'SYNONYM', surfaceForm?: string | undefined, outputs?: Array<string> | undefined, direction?: ('ONEWAY' | 'SYMMETRIC') | undefined};

export type CreateApiQueryRewritesArgs = {fields?: (Array<'FUSION_SYNC_STATUS' | 'MIGRATION'>) | undefined, body: HeadTailQueryRewriteRequest | MisspellingQueryRewriteRequest | PhraseQueryRewriteRequest | RemoveWordsQueryRewriteRequest | SynonymQueryRewriteRequest};

export type CreateApiQueryRewritesOptions = {baseUrl?: string | undefined, authToken?: string | undefined, fetch?: typeof fetch | undefined};

export const fusionSyncStatusV2Summary = z.object({lastSyncedVersion: z.string().optional(), fusionVersion: z.string().optional()});

export const headTailQueryRewriteSummary = z.object({id: z.string().optional(), createdBy: z.string().optional(), creationDate: z.string().optional(), lastModifiedBy: z.string().optional(), lastModified: z.string().optional(), published: z.boolean().optional(), version: z.string().optional(), stagingFusionSyncStatus: fusionSyncStatusV2Summary.optional(), liveFusionSyncStatus: fusionSyncStatusV2Summary.optional(), markedForDeletion: z.boolean().optional(), description: z.string().optional(), externalId: z.string().optional(), migratedId: z.string().optional(), type: z.literal("HEAD_TAIL"), surfaceForm: z.string().optional(), outputs: z.array(z.string()).optional()});

export const misspellingQueryRewriteSummary = z.object({id: z.string().optional(), createdBy: z.string().optional(), creationDate: z.string().optional(), lastModifiedBy: z.string().optional(), lastModified: z.string().optional(), published: z.boolean().optional(), version: z.string().optional(), stagingFusionSyncStatus: fusionSyncStatusV2Summary.optional(), liveFusionSyncStatus: fusionSyncStatusV2Summary.optional(), markedForDeletion: z.boolean().optional(), description: z.string().optional(), externalId: z.string().optional(), migratedId: z.string().optional(), type: z.literal("MISSPELLING"), surfaceForm: z.string().optional(), outputs: z.array(z.string()).optional()});

export const phraseQueryRewriteSummary = z.object({id: z.string().optional(), createdBy: z.string().optional(), creationDate: z.string().optional(), lastModifiedBy: z.string().optional(), lastModified: z.string().optional(), published: z.boolean().optional(), version: z.string().optional(), stagingFusionSyncStatus: fusionSyncStatusV2Summary.optional(), liveFusionSyncStatus: fusionSyncStatusV2Summary.optional(), markedForDeletion: z.boolean().optional(), description: z.string().optional(), externalId: z.string().optional(), migratedId: z.string().optional(), type: z.literal("PHRASE"), surfaceForm: z.string().optional(), wordCount: z.number().int().optional()});

export const removeWordsQueryRewriteSummary = z.object({id: z.string().optional(), createdBy: z.string().optional(), creationDate: z.string().optional(), lastModifiedBy: z.string().optional(), lastModified: z.string().optional(), published: z.boolean().optional(), version: z.string().optional(), stagingFusionSyncStatus: fusionSyncStatusV2Summary.optional(), liveFusionSyncStatus: fusionSyncStatusV2Summary.optional(), markedForDeletion: z.boolean().optional(), description: z.string().optional(), externalId: z.string().optional(), migratedId: z.string().optional(), type: z.literal("REMOVE_WORDS"), surfaceForm: z.string().optional(), triggerPhrases: z.array(z.string()).optional()});

export const synonymQueryRewriteSummary = z.object({id: z.string().optional(), createdBy: z.string().optional(), creationDate: z.string().optional(), lastModifiedBy: z.string().optional(), lastModified: z.string().optional(), published: z.boolean().optional(), version: z.string().optional(), stagingFusionSyncStatus: fusionSyncStatusV2Summary.optional(), liveFusionSyncStatus: fusionSyncStatusV2Summary.optional(), markedForDeletion: z.boolean().optional(), description: z.string().optional(), externalId: z.string().optional(), migratedId: z.string().optional(), type: z.literal("SYNONYM"), surfaceForm: z.string().optional(), outputs: z.array(z.string()).optional(), direction: z.enum(["ONEWAY", "SYMMETRIC"]).optional()});

export const createApiQueryRewritesResponse = z.discriminatedUnion("type", [headTailQueryRewriteSummary, misspellingQueryRewriteSummary, phraseQueryRewriteSummary, removeWordsQueryRewriteSummary, synonymQueryRewriteSummary]);

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 a query rewrite
 * 
 * POST /query-rewrites
 */
export const createApiQueryRewrites = async (args: CreateApiQueryRewritesArgs, options?: CreateApiQueryRewritesOptions) => {
const {baseUrl = "https://commerce_studio_id.experiencemanager.lucidworks.com", fetch: fetchFn = fetch, authToken} = options ?? {}

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

for (const item of args.fields ?? []) query.append("fields", String(item))
if (authToken !== undefined) headers.set('authorization', `Bearer ${authToken}`)

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