import {z} from 'zod'

export type ContractSearchFilters = {query?: (string | null) | undefined, contract_start_after?: (string | null) | undefined, contract_start_before?: (string | null) | undefined, contract_end_after?: (string | null) | undefined, contract_end_before?: (string | null) | undefined, min_total_acv?: (number | null) | undefined, max_total_acv?: (number | null) | undefined, min_annual_acv?: (number | null) | undefined, max_annual_acv?: (number | null) | undefined, institution_ids?: (Array<string> | null) | undefined, states?: (Array<string> | null) | undefined, source_tables?: (Array<string> | null) | undefined, sort?: ('relevance' | 'contract_start_date_desc' | 'contract_start_date_asc' | 'contract_end_date_asc' | 'contract_end_date_desc' | 'total_acv_desc' | 'annual_acv_desc' | 'created_at_desc') | undefined, offset?: number | undefined, limit?: number | undefined};

export type CreateApiApiInternalContractsSearchArgs = {body: ContractSearchFilters};

export type CreateApiApiInternalContractsSearchOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const contractResponse = z.object({id: z.string(), institution_id: z.string(), institution_name: z.string().nullable().optional(), institution_state: z.string().nullable().optional(), institution_type: z.string().nullable().optional(), annual_acv: z.number().nullable().optional(), total_acv: z.number().nullable().optional(), contract_start_date: z.string().nullable().optional(), contract_end_date: z.string().nullable().optional(), signees: z.unknown(), file_path: z.string(), created_at: z.string().nullable().optional(), relevance: z.number().nullable().optional()});

export const paginatedResponseContractResponse = z.object({results: z.array(contractResponse), total: z.number().int(), offset: z.number().int(), limit: z.number().int()});

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
};

/**
 * Search Contracts
 * 
 * POST /api/internal/contracts/search
 */
export const createApiApiInternalContractsSearch = async (args: CreateApiApiInternalContractsSearchArgs, options: CreateApiApiInternalContractsSearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

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