import {z} from 'zod'

export type GetApiApiV1PositionsArgs = {'X-Query-Validation'?: 'strict' | undefined, limit?: number | undefined, cursor?: string | undefined, consistency?: ('live' | 'snapshot') | undefined, min_size?: number | undefined, category?: string | undefined, condition_id?: string | undefined, wallet?: Array<string> | undefined, 'wallet[]'?: Array<string> | undefined, min_grade?: ('S' | 'A' | 'B' | 'C' | 'D' | 'F') | undefined, side?: ('yes' | 'no') | undefined, 'If-None-Match'?: string | undefined};

export type GetApiApiV1PositionsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const exactDecimal = z.object({value: z.string(), unit: z.string(), scale: z.number().int().gte(0), basis: z.string()});

export const positionExact = z.object({shares: exactDecimal, cost_basis_usd: exactDecimal.optional(), avg_price: exactDecimal.optional(), current_value_usd: exactDecimal, initial_value_usd: exactDecimal.optional(), cash_pnl: exactDecimal.optional(), realized_pnl: exactDecimal.optional()});

export const position = z.object({id: z.string(), platform: z.literal("polymarket"), wallet: z.string(), side: z.enum(["YES", "NO"]), token_id: z.string().nullable(), shares: z.number(), avg_price: z.number().optional(), current_value_usd: z.number(), initial_value_usd: z.number().optional(), cash_pnl: z.number().optional(), realized_pnl: z.number().optional(), exact: positionExact.optional(), last_reconciled_at: z.string().optional(), freshness: z.enum(["fresh", "refreshing", "stale", "unknown"]), 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: z.number().int().optional(), wallet_age_days: z.number().optional(), is_new_wallet: z.boolean()}), market: z.object({id: z.string(), condition_id: z.string(), title: z.string(), slug: z.string().optional(), event_slug: z.string().optional(), category: z.string().optional(), outcome_label: z.string().optional(), end_date: z.string().optional()})});

export const dataQualityGroup = z.object({group: z.string(), owner: z.string(), status: z.enum(["fresh", "partial", "unknown", "untracked", "unavailable"]), as_of: z.string().optional(), reason: z.string().optional()});

export const dataQuality = z.object({status: z.enum(["fresh", "partial", "unknown", "untracked", "unavailable"]), as_of: z.string().optional(), field_groups: z.array(dataQualityGroup)});

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 getApiApiV1PositionsResponse = z.object({object: z.literal("list"), data: z.array(position), data_quality: dataQuality, has_more: z.boolean(), next_cursor: z.string().optional(), total: z.number().int().optional(), snapshot: z.object({as_of: z.string(), expires_at: z.string(), row_count: 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 current positions (positions-board feed)
 * 
 * GET /api/v1/positions
 * 
 * Also accepts auth: oauth2
 */
export const getApiApiV1Positions = async (args: GetApiApiV1PositionsArgs, options?: GetApiApiV1PositionsOptions) => {
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.consistency != null) query.append("consistency", String(args.consistency))
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.condition_id != null) query.append("condition_id", String(args.condition_id))
for (const item of args.wallet ?? []) query.append("wallet", String(item))
for (const item of args['wallet[]'] ?? []) query.append("wallet[]", String(item))
if (args.min_grade != null) query.append("min_grade", String(args.min_grade))
if (args.side != null) query.append("side", String(args.side))
if (args['If-None-Match'] != null) headers.set("If-None-Match", String(args['If-None-Match']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/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(getApiApiV1PositionsResponse, await res.json())
};