import {z} from 'zod'

export type GetApiFundingV1ProjectsArgs = {limit?: number | undefined, page?: number | undefined, id?: Array<string> | undefined, category?: Array<string> | undefined, sector?: Array<string> | undefined, tags?: Array<string> | undefined, foundedBefore?: string | undefined, foundedAfter?: string | undefined};

export type GetApiFundingV1ProjectsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const fundingLink = z.record(z.string(), z.unknown());

export const fundingAsset = z.record(z.string(), z.unknown());

export const project = z.object({background: z.string(), category: z.string().optional(), foundedDate: z.string().optional(), id: z.string(), links: z.array(fundingLink), location: z.string().optional(), name: z.string().optional(), organizations: z.array(z.string()), overview: z.string(), primaryAsset: fundingAsset.optional(), secondaryAssets: z.array(z.string()), sector: z.string().optional(), tags: z.array(z.string())});

export const pagination = z.object({limit: z.number().int(), page: z.number().int(), totalPages: z.number().int(), totalRows: z.number().int()});

export const getApiFundingV1ProjectsResponse = z.object({data: z.array(project), error: z.string().optional(), metadata: pagination.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
};

/**
 * GetProjects
 * 
 * GET /funding/v1/projects
 */
export const getApiFundingV1Projects = async (args: GetApiFundingV1ProjectsArgs, options?: GetApiFundingV1ProjectsOptions) => {
const {baseUrl = "https://api.messari.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
for (const item of args.id ?? []) query.append("id", String(item))
for (const item of args.category ?? []) query.append("category", String(item))
for (const item of args.sector ?? []) query.append("sector", String(item))
for (const item of args.tags ?? []) query.append("tags", String(item))
if (args.foundedBefore != null) query.append("foundedBefore", String(args.foundedBefore))
if (args.foundedAfter != null) query.append("foundedAfter", String(args.foundedAfter))
if (apiKey !== undefined) headers.set("X-Messari-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/funding/v1/projects${query.size > 0 ? `?${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(getApiFundingV1ProjectsResponse, await res.json())
};