import {z} from 'zod'

export type Chains = 'ARBITRUM_MAINNET' | 'ARBITRUM_TESTNET' | 'AVALANCHE_MAINNET' | 'AVALANCHE_TESTNET' | 'BASE_MAINNET' | 'BASE_TESTNET' | 'STARKNET_MAINNET' | 'STARKNET_TESTNET' | 'BSC_MAINNET' | 'ETHEREUM_MAINNET' | 'ETHEREUM_TESTNET' | 'OPTIMISM_MAINNET' | 'OPTIMISM_TESTNET' | 'MONAD_MAINNET' | 'MONAD_TESTNET' | 'POLYGON_MAINNET' | 'HYPEREVM_MAINNET' | 'LISK_MAINNET' | 'SOLANA_MAINNET' | 'SOLANA_TESTNET' | 'TRON_MAINNET';

export type CreateIntentDto = {sender?: string | undefined, paymentLinkId?: string | undefined, amount: string, amountSymbol: string, tokenIn: string, source_chain: Chains, destination_chain: Chains, recipient: string, refund_address?: string | undefined, metadata?: Record<string, never> | undefined};

export type CreateApiIntentsArgs = {body: CreateIntentDto};

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

export const createApiIntentsResponse = z.object({id: z.number().optional(), client_id: z.string().optional(), sender: z.string().optional(), initialAmount: z.string().optional(), fees_in_usd: z.string().optional(), app_fee_in_usd: z.string().optional(), total_amount_in_usd: z.string().optional(), total_amount_in_asset_token: z.string().optional(), fees_in_asset_token: z.string().optional(), app_fee_in_asset_token: z.string().optional(), asset_token_symbol: z.string().optional(), asset_token_decimals: z.number().optional(), slippage: z.string().optional(), tokenIn: z.string().optional(), tokenOut: z.string().optional(), intent_address: z.string().optional(), source_chain: z.string().optional(), destination_chain: z.string().optional(), recipient: z.string().optional(), refund_address: z.string().optional(), relayer: z.string().optional(), coordinator: z.string().optional(), bridger: z.string().optional(), bridgeExtraData: z.string().optional(), intent_nonce: z.number().optional(), intent_status: z.enum(["PENDING", "PROCESSING", "COMPLETED", "FAILED"]).optional(), tx_hash: z.string().nullable().optional(), needs_relay: z.boolean().optional(), expires_at: z.string().optional(), metadata: z.object({}).optional(), created_at: z.string().optional(), updated_at: z.string().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
};

/**
 * Create new intent
 * 
 * POST /intents
 */
export const createApiIntents = async (args: CreateApiIntentsArgs, options?: CreateApiIntentsOptions) => {
const {baseUrl = "https://api.chainrails.io/api/v1", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set('authorization', `Bearer ${apiKey}`)

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