import {z} from 'zod'

export type SegmentationCondition = {attribute: 'about.businessType' | 'about.industries' | 'about.industry' | 'about.name' | 'about.totalEmployees' | 'about.yearFounded' | 'ai.search' | 'analytics.monthlyVisitors' | 'apps' | 'codes.naics' | 'codes.sic' | 'contacts' | 'domain.domain' | 'domain.tld' | 'finances.revenue' | 'finances.stockExchange' | 'locations.headquarters.city.code' | 'locations.headquarters.continent.code' | 'locations.headquarters.country.code' | 'locations.headquarters.county.code' | 'locations.headquarters.state.code' | 'meta.listIds' | 'meta.score' | 'meta.syncedAt' | 'socials' | 'socials.linkedin.id' | 'technologies.active' | 'technologies.categories' | 'urls', blockedOperator?: boolean | undefined, operator: 'and' | 'or', sign: 'equals' | 'exactEquals' | 'greater' | 'lower' | 'notEquals', values: Array<string | number>};

export type CreateApiV2CompaniesDomainAskArgs = {domain: string, body: {explain?: boolean | undefined, fields?: (Array<{description?: string | undefined, key: string, type: 'array|boolean' | 'array|number' | 'array|string' | 'boolean' | 'number' | 'string', values?: Array<string> | undefined}>) | undefined, listId?: number | undefined, model?: ('small' | 'large') | undefined, query?: Array<SegmentationCondition> | undefined, question: string}};

export type CreateApiV2CompaniesDomainAskOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const segmentationCondition = z.object({attribute: z.enum(["about.businessType", "about.industries", "about.industry", "about.name", "about.totalEmployees", "about.yearFounded", "ai.search", "analytics.monthlyVisitors", "apps", "codes.naics", "codes.sic", "contacts", "domain.domain", "domain.tld", "finances.revenue", "finances.stockExchange", "locations.headquarters.city.code", "locations.headquarters.continent.code", "locations.headquarters.country.code", "locations.headquarters.county.code", "locations.headquarters.state.code", "meta.listIds", "meta.score", "meta.syncedAt", "socials", "socials.linkedin.id", "technologies.active", "technologies.categories", "urls"]), blockedOperator: z.boolean().optional(), operator: z.enum(["and", "or"]), sign: z.enum(["equals", "exactEquals", "greater", "lower", "notEquals"]), values: z.array(z.union([z.string(), z.number()]))});

export const lLMAnswer = z.object({companyId: z.number(), explanation: z.string().optional(), fields: z.array(z.object({description: z.string().optional(), key: z.string(), type: z.enum(["array|boolean", "array|number", "array|string", "boolean", "number", "string"]), values: z.array(z.string()).optional()})).optional(), grounded: z.boolean().optional(), output: z.record(z.string(), z.unknown()), question: z.string(), score: z.number()});

export const createApiV2CompaniesDomainAskResponse = z.object({meta: z.object({cost: z.number(), model: z.enum(["small", "large"]), score: z.number().optional()}), prompt: z.object({companyId: z.number().optional(), context: z.enum(["analytics", "api", "companies", "company", "documentation", "enrichment", "landing", "list", "similarity"]), createdAt: z.string().optional(), data: z.object({all: z.boolean().optional(), count: z.number().optional(), domains: z.array(z.string()).optional(), explain: z.boolean().optional(), fields: z.array(z.object({description: z.string().optional(), key: z.string(), type: z.enum(["array|boolean", "array|number", "array|string", "boolean", "number", "string"]), values: z.array(z.string()).optional()})).optional(), model: z.enum(["small", "large"]).optional(), names: z.array(z.string()).optional(), query: z.array(segmentationCondition).optional(), question: z.string().optional(), segmentation: z.boolean().optional()}).optional(), feature: z.enum(["ask", "cleanup", "enrich", "product", "search", "similar"]).optional(), hits: z.number().optional(), id: z.number(), model: z.enum(["small", "large"]).optional(), prompt: z.string(), promptKey: z.string(), response: z.union([z.object({all: z.boolean().optional(), cost: z.number().optional(), count: z.number().optional(), domain: z.string().optional(), error: z.string().optional(), action: z.object({cost: z.number().optional(), data: z.object({answer: lLMAnswer, domains: z.array(z.string()).optional(), fields: z.array(z.object({description: z.string().optional(), key: z.string(), type: z.enum(["array|boolean", "array|number", "array|string", "boolean", "number", "string"]), values: z.array(z.string()).optional()})), job: z.literal("ask-list"), query: z.array(segmentationCondition).optional(), question: z.string()}).optional(), listId: z.number().optional(), promptId: z.number(), status: z.literal("pending"), type: z.literal("jobs:request")}).optional(), answer: z.object({explanation: z.string().optional(), output: z.record(z.string(), z.unknown()), score: z.number()}).optional()}), z.object({all: z.boolean().optional(), cost: z.number().optional(), count: z.number().optional(), domain: z.string().optional(), error: z.string().optional(), domains: z.array(z.string()).optional(), listId: z.number().optional(), query: z.array(segmentationCondition).optional(), action: z.object({cost: z.number().optional(), data: z.object({answer: lLMAnswer, domains: z.array(z.string()).optional(), fields: z.array(z.object({description: z.string().optional(), key: z.string(), type: z.enum(["array|boolean", "array|number", "array|string", "boolean", "number", "string"]), values: z.array(z.string()).optional()})), job: z.literal("ask-list"), query: z.array(segmentationCondition).optional(), question: z.string()}).optional(), listId: z.number().optional(), promptId: z.number(), status: z.literal("pending"), type: z.literal("jobs:request")}).optional(), answer: z.object({explanation: z.string().optional(), output: z.record(z.string(), z.unknown()), score: z.number()}).optional()}), z.object({all: z.boolean().optional(), cost: z.number().optional(), count: z.number().optional(), domain: z.string().optional(), error: z.string().optional(), domains: z.array(z.string()).optional(), action: z.object({cost: z.number().optional(), data: z.object({answer: lLMAnswer, domains: z.array(z.string()).optional(), fields: z.array(z.object({description: z.string().optional(), key: z.string(), type: z.enum(["array|boolean", "array|number", "array|string", "boolean", "number", "string"]), values: z.array(z.string()).optional()})), job: z.literal("ask-list"), query: z.array(segmentationCondition).optional(), question: z.string()}).optional(), listId: z.number().optional(), promptId: z.number(), status: z.literal("pending"), type: z.literal("jobs:request")}).optional(), answer: z.object({explanation: z.string().optional(), output: z.record(z.string(), z.unknown()), score: z.number()}).optional()})]), updatedAt: z.string().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
};

/**
 * Ask a question about a company by its domain.
 * 
 * POST /v2/companies/{domain}/ask
 */
export const createApiV2CompaniesDomainAsk = async (args: CreateApiV2CompaniesDomainAskArgs, options?: CreateApiV2CompaniesDomainAskOptions) => {
const {baseUrl = "https://api.thecompaniesapi.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/companies/${encodeURIComponent(String(args.domain))}/ask${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(createApiV2CompaniesDomainAskResponse, await res.json())
};