package ccq

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestParseConfigFileDoesntExist(t *testing.T) {
	_, err := parseConfigFile("missingFile.json")
	require.Error(t, err)
	assert.Equal(t, `failed to open permissions file "missingFile.json": open missingFile.json: no such file or directory`, err.Error())
}

func TestParseConfigBadJson(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    },
    {
      "userName": "Test User",
      "apiKey": "my_secret_key_2",
      "allowUnsigned": true,
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    }`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `failed to unmarshal json: unexpected end of JSON input`, err.Error())
}

func TestParseConfigDuplicateUser(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    },
    {
      "userName": "Test User",
      "apiKey": "my_secret_key_2",
      "allowUnsigned": true,
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `UserName "Test User" is a duplicate`, err.Error())
}

func TestParseConfigDuplicateApiKey(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User 1",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    },
    {
      "userName": "Test User 2",
      "apiKey": "my_secret_key",
      "allowUnsigned": true,
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `API key "my_secret_key" is a duplicate`, err.Error())
}

func TestParseConfigUnsupportedCallType(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "badCallType": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `unsupported call type for user "Test User", must be "ethCall", "ethCallByTimestamp" or "ethCallWithFinality"`, err.Error())
}

func TestParseConfigInvalidContractAddress(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "HelloWorld",
            "call": "0x06fdde"
          }
        }
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `invalid contract address "HelloWorld" for user "Test User"`, err.Error())
}

func TestParseConfigInvalidEthCall(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "HelloWorld"
          }
        }
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `invalid eth call "HelloWorld" for user "Test User"`, err.Error())
}

func TestParseConfigInvalidEthCallLength(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fd"
          }
        }
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `eth call "0x06fd" for user "Test User" has an invalid length, must be 4 bytes`, err.Error())
}

func TestParseConfigDuplicateAllowedCallForUser(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "my_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        },
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        }			
      ]
    }
  ]
}`

	_, err := parseConfig([]byte(str))
	require.Error(t, err)
	assert.Equal(t, `"ethCall:2:000000000000000000000000b4fbf271143f4fbf7b91a5ded31805e42b2208d6:06fdde03" is a duplicate allowed call for user "Test User"`, err.Error())
}

func TestParseConfigSuccess(t *testing.T) {
	str := `
	{
  "permissions": [
    {
      "userName": "Test User",
      "apiKey": "My_secret_key",
      "allowedCalls": [
        {
          "ethCall": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d6",
            "call": "0x06fdde03"
          }
        },
        {
          "ethCallByTimestamp": {
            "note:": "Name of WETH on Goerli",
            "chain": 2,
            "contractAddress": "B4FBF271143F4FBf7B91A5ded31805e42b2208d7",
            "call": "0x06fdde03"
          }
        }			
      ]
    }
  ]
}`

	perms, err := parseConfig([]byte(str))
	require.NoError(t, err)
	assert.Equal(t, 1, len(perms))

	perm, exists := perms["my_secret_key"]
	require.True(t, exists)

	_, exists = perm.allowedCalls["ethCall:2:000000000000000000000000b4fbf271143f4fbf7b91a5ded31805e42b2208d6:06fdde03"]
	assert.True(t, exists)

	_, exists = perm.allowedCalls["ethCallByTimestamp:2:000000000000000000000000b4fbf271143f4fbf7b91a5ded31805e42b2208d7:06fdde03"]
	assert.True(t, exists)
}