import {z} from 'zod'

export type GetApiV1CompaniesArgs = {page?: number | undefined, limit?: number | undefined, lt?: string | undefined, sort?: string | undefined, direction?: ('asc' | 'desc') | undefined};

export type GetApiV1CompaniesOptions = {baseUrl?: string | undefined, MetalClientId?: string | undefined, MetalApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const location = z.object({city: z.string().optional(), state: z.string().optional(), country: z.string().optional()});

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

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

export const discoveredValue = z.object({value: z.unknown(), source: z.string().optional(), confidence: z.number().optional(), pinned: z.boolean().optional(), discoveredAt: z.string().optional()});

export const enrichmentProvenance = z.record(z.string(), z.array(discoveredValue));

export const company = z.object({id: z.string().optional(), canonicalName: z.string().optional(), alternativeNames: z.array(z.string()).optional(), website: z.string().optional(), description: z.string().optional(), shortDescription: z.string().optional(), sector: z.string().optional(), subsector: z.string().optional(), industry: z.string().optional(), location: location.optional(), companyType: z.enum(["operating", "investor", "lender", "investment_bank", "advisor", "sponsor", "service_provider"]).optional(), origin: z.enum(["user", "crm", "agent", "screening"]).optional(), externalId: z.string().optional(), externalReference: externalReference.optional(), tags: z.array(z.string()).optional(), assignees: z.array(reference).optional(), custom: z.record(z.string(), z.unknown()).optional(), employeeCount: z.number().int().optional(), ownershipStatus: z.string().optional(), lastValuation: z.number().optional(), lastRoundDate: z.string().optional(), lastAmountRaised: z.number().optional(), totalMoneyRaised: z.number().optional(), lastFinancials: z.record(z.string(), z.unknown()).optional(), enrichment: enrichmentProvenance.optional(), lastEnrichedAt: z.string().optional(), lastEnrichmentStartedAt: z.string().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const getApiV1CompaniesResponse = z.object({data: z.array(company).optional()});

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 companies
 * 
 * GET /v1/companies
 */
export const getApiV1Companies = async (args: GetApiV1CompaniesArgs, options?: GetApiV1CompaniesOptions) => {
const {baseUrl = "https://api.metal.ai", fetch: fetchFn = fetch, MetalClientId, MetalApiKey} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.lt != null) query.append("lt", String(args.lt))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.direction != null) query.append("direction", String(args.direction))
if (MetalClientId !== undefined) headers.set("x-metal-client-id", MetalClientId)
if (MetalApiKey !== undefined) headers.set("x-metal-api-key", MetalApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/companies${query.size > 0 ? `?${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(getApiV1CompaniesResponse, await res.json())
};