import {z} from 'zod'

export type ExternalIdSourceType = 'QUICKBOOKS' | 'NETSUITE' | 'RILLET' | 'SAGE_INTACCT' | 'SALESFORCE' | 'HUBSPOT' | 'AVALARA' | 'ANROK' | 'STRIPE';

export type ExternalIdDto = {externalId?: string | undefined, sourceType?: ExternalIdSourceType | undefined, metadata?: Record<string, never> | undefined};

export type CreateContractV3Dto = {name: string, customerId: string, externalId?: ExternalIdDto | undefined, shouldProcess?: boolean | undefined, closeDate?: string | undefined};

export type CreateApiV3ContractsArgs = {body: CreateContractV3Dto};

export type CreateApiV3ContractsOptions = {baseUrl?: string | undefined, customHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const externalIdSourceType = z.enum(["QUICKBOOKS", "NETSUITE", "RILLET", "SAGE_INTACCT", "SALESFORCE", "HUBSPOT", "AVALARA", "ANROK", "STRIPE"]);

export const externalIdDto = z.object({externalId: z.string().optional(), sourceType: externalIdSourceType.optional(), metadata: z.object({}).optional()});

export const contractsV3Dto = z.object({id: z.string(), fileName: z.string(), name: z.string(), status: z.string(), customerId: z.string(), customerName: z.string().optional(), createdAt: z.string().optional(), closeDate: z.string().optional(), lastUpdatedAt: z.string().optional(), deletedAt: z.string().optional(), externalIds: z.array(externalIdDto).optional(), source: z.enum(["CRM", "EMAIL", "UPLOAD", "API", "ERP", "INTERNAL"]).optional(), jobId: 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
};

/**
 * Create contract
 * 
 * POST /v3/contracts
 */
export const createApiV3Contracts = async (args: CreateApiV3ContractsArgs, options?: CreateApiV3ContractsOptions) => {
const {baseUrl = "https://integrators.prod.api.tabsplatform.com", fetch: fetchFn = fetch, customHeader} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v3/contracts${query.size > 0 ? `?${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(contractsV3Dto, await res.json())
};