import {z} from 'zod'

export type QuotePreviewRequest = {account: string, sourceChainId: string, sourceToken: string, direction?: ('exactIn' | 'exactOut') | undefined, amount?: string | undefined, amountOut?: string | undefined};

export type CreateApiQuotesPreviewArgs = {'x-api-key'?: string | undefined, body: QuotePreviewRequest};

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

export const depositTimingEstimate = z.object({expectedSeconds: z.number().int().gte(0), softDelaySeconds: z.number().int().gte(0), escalatedDelaySeconds: z.number().int().gte(0)});

export const previewFeeLine = z.object({usd: z.number(), sponsored: z.boolean(), label: z.string().optional(), internal: z.boolean().optional()});

export const quotePreviewResponse = z.object({settlementLayer: z.string(), expiresAt: z.number().int(), estimatedFillTimeSeconds: z.number().int().gte(0), timing: depositTimingEstimate.optional(), fees: z.object({total: z.object({usd: z.number()}), totalUsd: z.number().optional(), breakdown: z.object({gas: previewFeeLine, bridge: previewFeeLine, swap: previewFeeLine, app: previewFeeLine, protocol: previewFeeLine, sponsorSurcharge: previewFeeLine}).and(z.record(z.string(), previewFeeLine))}), input: z.object({token: z.string(), amount: z.string(), symbol: z.string().nullable(), decimals: z.number().int().nullable()}), output: z.object({token: z.string(), amount: z.string(), symbol: z.string().nullable(), decimals: z.number().int().nullable()})});

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
};

/**
 * Get a deposit quote
 * 
 * POST /quotes/preview
 * 
 * Also accepts auth: internalProjectBearer
 */
export const createApiQuotesPreview = async (args: CreateApiQuotesPreviewArgs, options?: CreateApiQuotesPreviewOptions) => {
const {baseUrl = "https://v1.orchestrator.rhinestone.dev/deposit-processor", fetch: fetchFn = fetch, tenantApiKey} = options ?? {}

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

if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))
if (tenantApiKey !== undefined) headers.set("x-api-key", tenantApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/quotes/preview${query.size > 0 ? `?${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(quotePreviewResponse, await res.json())
};