// SPDX-FileCopyrightText: © 2026 LEDGER SAS
// SPDX-License-Identifier: Apache-2.0

import type { TezosCoinConfig, TezosConfig, TezosContext } from '../config'
import type { SendTransactionIntent } from '@ledgerhq/coin-module-framework/api/types'
import { localForger } from '@taquito/local-forging'
import { createApi } from '.'

const defaultConfig: TezosConfig = {
  baker: { url: 'https://baker.example.com' },
  explorer: { url: 'https://api.shadownet.tzkt.io', maxTxQuery: 100 },
  node: { url: 'https://rpc.shadownet.teztnets.com' },
  fees: {
    minGasLimit: 600,
    minRevealGasLimit: 300,
    minStorageLimit: 0,
    minFees: 500,
    minEstimatedFees: 500,
  },
}

/**
 * Shadownet-specific integration tests (Ghostnet was deprecated in early 2026).
 * https://teztnets.com/shadownet-about
 * https://api.shadownet.tzkt.io
 */
describe('Tezos Api', () => {
  const module = createApi()
  const context: TezosContext = {
    config: async () => defaultConfig as TezosCoinConfig,
    logger: () => undefined,
  }
  // Persistent Shadownet test account — see LIVE-28763 PR for chain-of-custody.
  const address = 'tz1dKrT1h6d7wP8fEzMPptG6er7mLLeQjBBY'
  // Registered baker on Shadownet, distinct from `address`'s current delegate
  // (TF Test Baker) — picked so `delegate` intents don't simulate as `delegate.unchanged`.
  const baker = 'tz1a28g3f7Eswy7XfX81sJSdhBHZqMjkfaf9'

  describe('estimateFees', () => {
    it('returns a default value', async () => {
      // Given
      const amount = BigInt(100)

      // When
      const result = await module.estimateFees(context, {
        intentType: 'transaction',
        asset: { type: 'native' },
        type: 'send',
        sender: address,
        recipient: address,
        amount,
      })

      // Then
      expect(result.value).toBeGreaterThanOrEqual(BigInt(0))
      expect(result.parameters?.gasLimit).toBeGreaterThanOrEqual(BigInt(0))
      expect(result.parameters?.storageLimit).toBeGreaterThanOrEqual(BigInt(0))
    })
  })

  // Multi-curve sender handling — each row exercises estimateFees with a sender
  // address + matching senderPublicKey for a different curve, covering the
  // pubkey-normalization + sender-derivation path in api/index.ts.
  it.each([
    [
      'ed25519 / tz1',
      'tz1dKrT1h6d7wP8fEzMPptG6er7mLLeQjBBY',
      'edpkv2EJVgdvaK8TB5mMttfN93jRhHwoyKcy9sehANdeMDNY27zkjz',
    ],
    [
      'secp256k1 / tz2',
      'tz29GPjgeRQTRX6mcPQXkiuHnq7jbya1Abnq',
      'sppk7cWw2W2H9Uf7zWAju13smtbETcPbLpDGFZtpB7TAoDsVFiAizhf',
    ],
    [
      'P256 / tz3',
      'tz3Q67aMz7gSMiQRcW729sXSfuMtkyAHYfqc',
      'p2pk66gP3wq6k9QgNwAgaGLeXc3YFfrxgYdC7cdYuJWAHYBw4hExVHW',
    ],
  ])('does not fail when providing a %s sender with pub key', async (_, sender, pubKey) => {
    const result = await module.estimateFees(context, {
      intentType: 'transaction',
      asset: { type: 'native' },
      type: 'send',
      sender,
      senderPublicKey: pubKey,
      recipient: address,
      amount: BigInt(100),
    } as SendTransactionIntent)

    expect(result.value).toBeGreaterThanOrEqual(BigInt(0))
    expect(result.parameters?.gasLimit).toBeGreaterThanOrEqual(BigInt(0))
    expect(result.parameters?.storageLimit).toBeGreaterThanOrEqual(BigInt(0))
  })

  it('fails when using an unsupported address type', async () => {
    await expect(
      module.estimateFees(context, {
        intentType: 'transaction',
        asset: { type: 'native' },
        type: 'send',
        sender: address,
        recipient: 'tz5heMGVHQnx7ALDcDKqez8fan64Eyicw4DJ',
        amount: BigInt(100),
      })
    ).rejects.toThrow('Invalid address "tz5heMGVHQnx7ALDcDKqez8fan64Eyicw4DJ"')
  })

  describe('listOperations', () => {
    it('returns a list regarding address parameter', async () => {
      // When
      const { items: tx } = await module.listOperations(context, address, {
        minHeight: 0,
        order: 'asc',
      })

      // Then
      expect(tx.length).toBeGreaterThanOrEqual(1)
      tx.forEach((operation) => {
        const isSenderOrReceipt =
          operation.senders.includes(address) || operation.recipients.includes(address)
        expect(isSenderOrReceipt).toBe(true)
        expect(operation.value).toBeGreaterThanOrEqual(0)
        expect(operation.tx.hash).toMatch(/^o[1-9A-HJ-NP-Za-km-z]+/) // "o" + base58
        expect(operation.tx.block.hash).toMatch(/^B[1-9A-HJ-NP-Za-km-z]+/) // "B" + base58
        expect(operation.tx.block.height).toBeGreaterThanOrEqual(0)
        expect(operation.tx.fees).toBeGreaterThan(0)
        expect(operation.tx.feesPayer).toMatch(/^tz[1-3]/)
        expect(operation.tx.date).toBeInstanceOf(Date)
      })
    })

    it('returns all operations', async () => {
      // When
      const { items: tx } = await module.listOperations(context, address, {
        minHeight: 0,
        order: 'asc',
      })

      // Then
      // Find a way to create a unique id. In Tezos, the same hash may represent different operations in case of delegation.
      const checkSet = new Set(tx.map((elt) => `${elt.tx.hash}${elt.type}${elt.senders[0]}`))
      expect(checkSet.size).toEqual(tx.length)
    })

    it('returns operations from latest, but in asc order', async () => {
      // When
      const { items: txDesc } = await module.listOperations(context, address, {
        minHeight: 0,
        order: 'desc',
      })

      // Then
      // Check if the result is sorted in ascending order
      expect(txDesc[0].tx.block.height).toBeGreaterThanOrEqual(
        txDesc[txDesc.length - 1].tx.block.height
      )
    })
  })

  describe('lastBlock', () => {
    it('returns last block info', async () => {
      // When
      const result = await module.lastBlock(context)

      // Then
      expect(result.hash).toMatch(/^B[1-9A-HJ-NP-Za-km-z]+/) // "B" + base58
      expect(result.height).toBeGreaterThan(0)
      expect(result.time).toBeInstanceOf(Date)
    })
  })

  describe('getBalance', () => {
    it('returns a list regarding address parameter', async () => {
      // When
      const result = await module.getBalance(context, address)

      // Then
      expect(result[0].asset).toEqual({ type: 'native' })
      expect(result[0].value).toBeGreaterThan(0)
    })

    it('returns 0 when address is not found', async () => {
      const result = await module.getBalance(context, 'tz1euQVEofitwkUzMRKCuBK9D1ZPiy4udXz1')

      expect(result).toEqual([{ value: BigInt(0), asset: { type: 'native' } }])
    })
  })

  describe('craftTransaction', () => {
    async function decode(sbytes: string) {
      // note: strip the conventional prefix (aka watermark) added by rawEncode
      // output of craftTransaction is "payload to sign = prefix + actual raw transaction"
      return await localForger.parse(sbytes.slice(2))
    }

    it.each(['send', 'delegate', 'undelegate'])(
      'returns a raw transaction with %s',
      async (type) => {
        // `delegate` requires a registered baker; the others accept any tz address.
        const recipient = type === 'delegate' ? baker : 'tz1aWXP237BLwNHJcCD4b3DutCevhqq2T1Z9'
        const amount = BigInt(10)
        // When
        const { transaction: encodedTransaction } = await module.craftTransaction(context, {
          intentType: 'transaction',
          asset: { type: 'native' },
          type,
          sender: address,
          recipient: recipient,
          amount: amount,
        })

        const decodedTransaction = await decode(encodedTransaction)
        expect(decodedTransaction.contents).toHaveLength(1)

        const operationContent = decodedTransaction.contents[0]
        expect(operationContent.source).toEqual(address)
        expect(BigInt(operationContent.fee)).toBeGreaterThan(0)

        if (type === 'send') {
          expect(BigInt(operationContent.amount)).toEqual(amount)
          expect(operationContent.destination).toEqual(recipient)
        } else if (type === 'delegate') {
          expect(operationContent.delegate).toEqual(recipient)
        }
      }
    )

    it('should use estimated fees when user does not provide them for crafting a transaction', async () => {
      const { transaction: encodedTransaction } = await module.craftTransaction(context, {
        intentType: 'transaction',
        asset: { type: 'native' },
        type: 'send',
        sender: address,
        recipient: 'tz1aWXP237BLwNHJcCD4b3DutCevhqq2T1Z9',
        amount: BigInt(10),
      })

      const decodedTransaction = await decode(encodedTransaction)
      const transactionFee = BigInt(decodedTransaction.contents[0].fee)
      expect(transactionFee).toBeGreaterThan(0)
    })

    it.each([1n, 50n, 99n])(
      'should use custom user fees when user provides it for crafting a transaction',
      async (customFees: bigint) => {
        const { transaction: encodedTransaction } = await module.craftTransaction(
          context,
          {
            intentType: 'transaction',
            asset: { type: 'native' },
            type: 'send',
            sender: address,
            recipient: 'tz1aWXP237BLwNHJcCD4b3DutCevhqq2T1Z9',
            amount: BigInt(10),
          },
          { customFees: { value: customFees } }
        )

        const decodedTransaction = await decode(encodedTransaction)
        expect(decodedTransaction.contents[0].fee).toEqual(customFees.toString())
      }
    )
  })

  describe('with custom fees settings', () => {
    const minFees = 600
    const minEstimatedFees = 550

    const contextCustomFees: TezosContext = {
      config: async () =>
        ({
          ...defaultConfig,
          fees: {
            minGasLimit: 600,
            minRevealGasLimit: 300,
            minStorageLimit: 0,
            minFees,
            minEstimatedFees,
          },
        }) as TezosCoinConfig,
      logger: () => undefined,
    }

    describe('estimateFees', () => {
      it('estimate fees when default estimation is greater than minFees', async () => {
        const result = await module.estimateFees(contextCustomFees, {
          intentType: 'transaction',
          asset: { type: 'native' },
          type: 'send',
          sender: address,
          recipient: 'tz1heMGVHQnx7ALDcDKqez8fan64Eyicw4DJ',
          amount: BigInt(100),
        })
        expect(result.value).toBeGreaterThanOrEqual(BigInt(minFees))
        expect(result.parameters?.gasLimit).toBeGreaterThanOrEqual(BigInt(0))
        expect(result.parameters?.storageLimit).toBeGreaterThanOrEqual(BigInt(0))
      })

      it('estimate fees when default estimation is lesser than minFees', async () => {
        const result = await module.estimateFees(contextCustomFees, {
          intentType: 'transaction',
          asset: { type: 'native' },
          type: 'delegate',
          sender: address,
          recipient: baker,
          amount: BigInt(0),
        })
        expect(result.value).toBeGreaterThanOrEqual(BigInt(minFees))
      })
    })

    describe('craftTransaction', () => {
      it('craft transaction when default estimation is greater than minFees', async () => {
        const { transaction: encodedTransaction } = await module.craftTransaction(
          contextCustomFees,
          {
            intentType: 'transaction',
            asset: { type: 'native' },
            type: 'send',
            sender: address,
            recipient: 'tz1aWXP237BLwNHJcCD4b3DutCevhqq2T1Z9',
            amount: BigInt(10),
          }
        )
        const decoded = await localForger.parse(encodedTransaction.slice(2))
        const fee = BigInt(decoded.contents[0].fee ?? '0')
        expect(fee).toBeGreaterThanOrEqual(BigInt(minFees))
      })

      it('craft transaction when default estimation is lesser than minFees', async () => {
        const { transaction: encodedTransaction } = await module.craftTransaction(
          contextCustomFees,
          {
            intentType: 'transaction',
            asset: { type: 'native' },
            type: 'delegate',
            sender: address,
            recipient: baker,
            amount: BigInt(0),
          }
        )
        const decoded = await localForger.parse(encodedTransaction.slice(2))
        const fee = BigInt(decoded.contents[0].fee ?? '0')
        expect(fee).toBeGreaterThanOrEqual(BigInt(minFees))
      })

      it('craft transaction with customFee when default estimation is greater than customFee', async () => {
        const customFee = BigInt(minFees - 50)
        const { transaction: encodedTransaction } = await module.craftTransaction(
          contextCustomFees,
          {
            intentType: 'transaction',
            asset: { type: 'native' },
            type: 'send',
            sender: address,
            recipient: 'tz1aWXP237BLwNHJcCD4b3DutCevhqq2T1Z9',
            amount: BigInt(10),
          },
          { customFees: { value: customFee } }
        )
        const decoded = await localForger.parse(encodedTransaction.slice(2))
        expect(decoded.contents[0].fee).toBe(customFee.toString())
      })

      it('craft transaction with customFee when default estimation is lesser than customFee', async () => {
        const customFee = BigInt(minFees * 2)
        const { transaction: encodedTransaction } = await module.craftTransaction(
          contextCustomFees,
          {
            intentType: 'transaction',
            asset: { type: 'native' },
            type: 'send',
            sender: address,
            recipient: 'tz1aWXP237BLwNHJcCD4b3DutCevhqq2T1Z9',
            amount: BigInt(10),
          },
          { customFees: { value: customFee } }
        )
        const decoded = await localForger.parse(encodedTransaction.slice(2))
        expect(decoded.contents[0].fee).toBe(customFee.toString())
      })
    })
  })
})