import {z} from 'zod'

export type GetApiApiV1LargePositionsArgs = {'X-Query-Validation'?: 'strict' | undefined, limit?: number | undefined, cursor?: string | undefined, min_size?: number | undefined, category?: string | undefined, min_grade?: ('S' | 'A' | 'B' | 'C' | 'D' | 'F') | undefined, condition_id?: string | undefined};

export type GetApiApiV1LargePositionsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const largePosition = z.object({id: z.string(), platform: z.literal("polymarket"), total_size_usd: z.number().optional(), position_unrealized_pnl: z.number().optional(), combined_value_usd: z.number().optional(), combined_unrealized_pnl: z.number().optional(), is_two_sided: z.boolean(), holdings: z.array(z.object({outcome_index: z.number().int(), outcome_label: z.string().optional(), token_id: z.string().nullable(), share_count: z.number(), avg_entry_price: z.number().optional(), current_price: z.number().optional(), value_usd: z.number().optional(), unrealized_pnl: z.number().optional()})), share_count: z.number(), avg_entry_price: z.number().optional(), current_price: z.number().optional(), outcome_label: z.string().optional(), token_id: z.string().nullable(), event_leg_count: z.number().int(), event_total_value_usd: z.number().optional(), first_seen_at: z.string(), last_updated_at: z.string(), trader: z.object({id: z.string(), address: z.string(), username: z.string().optional(), grade: z.enum(["S", "A", "B", "C", "D", "F"]).optional(), win_rate: z.number().optional(), pnl: z.number().optional(), markets_traded: z.number().int().optional()}), market: z.object({id: z.string(), condition_id: z.string(), title: z.string().optional(), slug: z.string().optional(), event_slug: z.string().optional(), category: z.string().optional()})});

export const responseMeta = z.object({request_id: z.string(), cached: z.boolean(), cache_age_s: z.number().int().optional(), cost: z.number().int(), ranking_generation: z.number().int().optional(), ranking_as_of: z.string().optional(), directional_source: z.enum(["live", "degraded"]).optional(), ranking_source: z.enum(["live", "db_only"]).optional(), category_skill_source: z.enum(["live", "partial", "degraded", "unavailable"]).optional(), category_skill_model_version: z.string().optional(), category_skill_taxonomy_version: z.string().optional(), category_skill_platform: z.literal("polymarket").optional(), category_skill_scope: z.literal("observed_goldsky_primary_taker_fill").optional(), category_skill_source_coverage: z.enum(["partial_whale_threshold_fills", "graded_wallet_fills"]).optional(), category_skill_observation_started_at: z.string().optional(), category_skill_model_operationally_degraded: z.boolean().optional(), category_skill_status_counts: z.object({live: z.number().int().gte(0), insufficient: z.number().int().gte(0), stale: z.number().int().gte(0), unknown: z.number().int().gte(0), degraded: z.number().int().gte(0)}).optional(), category_skill_base_payload_hash: z.string().optional(), category_skill_enriched_base_payload_hash: z.string().optional()});

export const getApiApiV1LargePositionsResponse = z.object({object: z.literal("list"), data: z.array(largePosition), has_more: z.boolean(), next_cursor: z.string().optional(), total: z.number().int().optional(), meta: responseMeta});

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
};

/**
 * List large positions
 * 
 * GET /api/v1/large-positions
 * 
 * Also accepts auth: oauth2
 */
export const getApiApiV1LargePositions = async (args: GetApiApiV1LargePositionsArgs, options?: GetApiApiV1LargePositionsOptions) => {
const {baseUrl = "https://api.0xinsider.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['X-Query-Validation'] != null) headers.set("X-Query-Validation", String(args['X-Query-Validation']))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.min_size != null) query.append("min_size", String(args.min_size))
if (args.category != null) query.append("category", String(args.category))
if (args.min_grade != null) query.append("min_grade", String(args.min_grade))
if (args.condition_id != null) query.append("condition_id", String(args.condition_id))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/large-positions${query.size > 0 ? `?${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(getApiApiV1LargePositionsResponse, await res.json())
};