import { describe, expect, it } from 'bun:test'
import { PAYMENT_LAYER_ABI, ROUTER_PAYMENT_LAYER, depositRouterCredit } from './router-payment'

describe('Router Payment Layer constants (verified Jun 16 2026)', () => {
  it('pins the mainnet + testnet Payment Layer addresses', () => {
    expect(ROUTER_PAYMENT_LAYER['0g-mainnet']).toBe('0xA3b15Bd2aD18BFB6b5f92D8AA9F444Dd59d1cE32')
    expect(ROUTER_PAYMENT_LAYER['0g-testnet']).toBe('0x0AD9690e0b34aB2d493DE02cDF149ee34f6C9939')
  })

  it('exposes balanceOf (view) + depositFor (payable)', () => {
    const balanceOf = PAYMENT_LAYER_ABI.find(f => f.name === 'balanceOf')
    const depositFor = PAYMENT_LAYER_ABI.find(f => f.name === 'depositFor')
    expect(balanceOf?.stateMutability).toBe('view')
    expect(balanceOf?.inputs[0]?.type).toBe('address')
    expect(depositFor?.stateMutability).toBe('payable')
    expect(depositFor?.inputs[0]?.type).toBe('address')
  })
})

describe('depositRouterCredit amount guard', () => {
  const KEY = `0x${'1'.repeat(64)}` as const

  it('rejects a sub-minimum (scientific-notation) amount with a clear error before any RPC', async () => {
    // (5e-7).toString() === '5e-7' would make viem.parseEther throw a cryptic
    // decimal error; the guard fails clearly instead, before makeViemClients.
    await expect(
      depositRouterCredit({ network: '0g-mainnet', privkeyHex: KEY, amountOg: 5e-7 }),
    ).rejects.toThrow(/minimum/i)
  })

  it('rejects NaN/Infinity amounts', async () => {
    await expect(
      depositRouterCredit({ network: '0g-mainnet', privkeyHex: KEY, amountOg: Number.NaN }),
    ).rejects.toThrow(/invalid/i)
  })
})