import {z} from 'zod'

export type GetApiApiLibraryIndicatorsQueryArgs = {text?: string | undefined, creator?: string | undefined, tier?: string | undefined, platform?: string | undefined, authorName?: string | undefined, family?: ('trend' | 'momentum' | 'volatility' | 'volume-orderflow' | 'market-structure' | 'smc-ict' | 'wyckoff' | 'elliott-harmonics' | 'patterns' | 'levels' | 'statistics' | 'machine-learning' | 'time-seasonality' | 'sentiment-breadth' | 'risk-exits' | 'meta-composition' | 'validation') | undefined, concept?: string | undefined, slugs?: string | undefined, fields?: ('full' | 'card') | undefined, sort?: ('name' | 'creationDateDisplayed' | 'family') | undefined, direction?: ('asc' | 'desc') | undefined, pageIndex?: string | undefined, pageQuantity?: string | undefined};

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

export const getApiApiLibraryIndicatorsQueryResponse = z.object({data: z.object({indicators: z.array(z.object({id: z.string(), name: z.string().nullable(), slug: z.string(), imageUrl: z.string().nullable(), description: z.string().nullable(), body: z.string().nullable(), authorName: z.string().nullable(), creationDateDisplayed: z.string(), isPublished: z.boolean(), pineScriptCodeId: z.string().nullable(), family: z.enum(["trend", "momentum", "volatility", "volume-orderflow", "market-structure", "smc-ict", "wyckoff", "elliott-harmonics", "patterns", "levels", "statistics", "machine-learning", "time-seasonality", "sentiment-breadth", "risk-exits", "meta-composition", "validation"]).nullable(), creator: z.object({slug: z.string()}), plans: z.array(z.object({id: z.string()}))})), count: z.number()}), errors: z.unknown()});

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
};

/**
 * Public: filtered/paginated published library indicators with LuxAlgo pinning
 * 
 * GET /api/library/indicators/query
 */
export const getApiApiLibraryIndicatorsQuery = async (args: GetApiApiLibraryIndicatorsQueryArgs, options?: GetApiApiLibraryIndicatorsQueryOptions) => {
const {baseUrl = "https://app.luxalgo.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.text != null) query.append("text", String(args.text))
if (args.creator != null) query.append("creator", String(args.creator))
if (args.tier != null) query.append("tier", String(args.tier))
if (args.platform != null) query.append("platform", String(args.platform))
if (args.authorName != null) query.append("authorName", String(args.authorName))
if (args.family != null) query.append("family", String(args.family))
if (args.concept != null) query.append("concept", String(args.concept))
if (args.slugs != null) query.append("slugs", String(args.slugs))
if (args.fields != null) query.append("fields", String(args.fields))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.direction != null) query.append("direction", String(args.direction))
if (args.pageIndex != null) query.append("pageIndex", String(args.pageIndex))
if (args.pageQuantity != null) query.append("pageQuantity", String(args.pageQuantity))

const url = `${baseUrl.replace(/\/+$/, '')}/api/library/indicators/query${query.size > 0 ? `?${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(getApiApiLibraryIndicatorsQueryResponse, await res.json())
};