import # std libs
  json, os, sequtils, strutils

const GENERATED* = "generated"
const SEED* = "seed"
const KEY* = "key"
const WATCH* = "watch"

const ZERO_ADDRESS* = "0x0000000000000000000000000000000000000000"

const PATH_WALLET_ROOT* = "m/44'/60'/0'/0"
# EIP1581 Root Key, the extended key from which any whisper key/encryption key can be derived
const PATH_EIP_1581* = "m/43'/60'/1581'"
# BIP44-0 Wallet key, the default wallet key
const PATH_DEFAULT_WALLET* = PATH_WALLET_ROOT & "/0"
# EIP1581 Chat Key 0, the default whisper key
const PATH_WHISPER* = PATH_EIP_1581 & "/0'/0"

# set via `nim c` param `-d:INFURA_TOKEN:[token]`; should be set in CI/release builds
const INFURA_TOKEN {.strdefine.} = ""
# allow runtime override via environment variable; core contributors can set a
# release token in this way for local development
let INFURA_TOKEN_ENV = $getEnv("INFURA_TOKEN")

let INFURA_TOKEN_RESOLVED =
  if INFURA_TOKEN_ENV != "":
    INFURA_TOKEN_ENV
  else:
    INFURA_TOKEN

let DEFAULT_NETWORKS* = %* [
  {
    "id": "testnet_rpc",
    "etherscan-link": "https://ropsten.etherscan.io/address/",
    "name": "Ropsten with upstream RPC",
    "config": {
      "NetworkId": 3,
      "DataDir": "/ethereum/testnet_rpc",
      "UpstreamConfig": {
        "Enabled": true,
        "URL": "https://ropsten.infura.io/v3/" & INFURA_TOKEN_RESOLVED
      }
    }
  },
  {
    "id": "rinkeby_rpc",
    "etherscan-link": "https://rinkeby.etherscan.io/address/",
    "name": "Rinkeby with upstream RPC",
    "config": {
      "NetworkId": 4,
      "DataDir": "/ethereum/rinkeby_rpc",
      "UpstreamConfig": {
        "Enabled": true,
        "URL": "https://rinkeby.infura.io/v3/" & INFURA_TOKEN_RESOLVED
      }
    }
  },
  {
    "id": "goerli_rpc",
    "etherscan-link": "https://goerli.etherscan.io/address/",
    "name": "Goerli with upstream RPC",
    "config": {
      "NetworkId": 5,
      "DataDir": "/ethereum/goerli_rpc",
      "UpstreamConfig": {
        "Enabled": true,
        "URL": "https://goerli.blockscout.com/"
      }
    }
  },
  {
    "id": "mainnet_rpc",
    "etherscan-link": "https://etherscan.io/address/",
    "name": "Mainnet with upstream RPC",
    "config": {
      "NetworkId": 1,
      "DataDir": "/ethereum/mainnet_rpc",
      "UpstreamConfig": {
        "Enabled": true,
        "URL": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED
      }
    }
  },
  {
    "id": "xdai_rpc",
    "name": "xDai Chain",
    "config": {
      "NetworkId": 100,
      "DataDir": "/ethereum/xdai_rpc",
      "UpstreamConfig": {
        "Enabled": true,
        "URL": "https://dai.poa.network"
      }
    }
  },
  {
    "id": "poa_rpc",
    "name": "POA Network",
    "config": {
      "NetworkId": 99,
      "DataDir": "/ethereum/poa_rpc",
      "UpstreamConfig": {
        "Enabled": true,
        "URL": "https://core.poa.network"
      }
    }
  }
]

var NODE_CONFIG* = %* {
  "BrowsersConfig": {
    "Enabled": true
  },
  "ClusterConfig": {
    "Enabled": true
  },
  "DataDir": "./ethereum/mainnet",
  "EnableNTPSync": true,
  "KeyStoreDir": "./keystore",
  # TODO: commented since it's not necessary (we do the connections thru C bindings). Enable it thru an option once status-nodes are able to be configured in desktop
  #"ListenAddr": ":30304",
  "LogEnabled": true,
  "LogFile": "geth.log",
  "LogLevel": "INFO",
  "MailserversConfig": {
    "Enabled": true
  },
  "Name": "StatusDesktop",
  "NetworkId": 1,
  "NoDiscovery": false,
  "PermissionsConfig": {
    "Enabled": true
  },
  "Rendezvous": true,
  "RegisterTopics": @["whispermail"],
  "RequireTopics": {
    "whisper": {
      "Max": 2,
      "Min": 2
    }
  },
  "ShhextConfig": {
    "BackupDisabledDataDir": "./",
    "DataSyncEnabled": true,
    "InstallationID": "aef27732-8d86-5039-a32e-bdbe094d8791",
    "MailServerConfirmations": true,
    "MaxMessageDeliveryAttempts": 6,
    "PFSEnabled": true,
    "VerifyENSContractAddress": "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
    "VerifyENSURL": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
    "VerifyTransactionChainID": 1,
    "VerifyTransactionURL": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED
  },
  "StatusAccountsConfig": {
    "Enabled": true
  },
  "UpstreamConfig": {
    "Enabled": true,
    "URL": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED
  },
   "WakuConfig": {
    "BloomFilterMode": true,
    "Enabled": true,
    "LightClient": true,
    "MinimumPoW": 0.001
  },
  "WakuV2Config": {
    "Enabled": false,
    "Host": "0.0.0.0",
    "Port": 0,
    "LightClient": false,
    "DiscoveryLimit": 20
  },
  "WalletConfig": {
    "Enabled": true
  },
  "Networks": [
    {
      "chainId": 1,
      "chainName": "Ethereum Mainnet",
      "rpcUrl": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
      "blockExplorerUrl": "https://etherscan.io/",
      "iconUrl": "",
      "nativeCurrencyName": "Ether",
      "nativeCurrencySymbol": "ETH",
      "nativeCurrencyDecimals": 18,
      "isTest": false,
      "layer": 1,
      "enabled": true,
    },
    {
      "chainId": 3,
      "chainName": "Ropsten",
      "rpcUrl": "https://ropsten.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
      "blockExplorerUrl": "https://ropsten.etherscan.io/",
      "iconUrl": "",
      "nativeCurrencyName": "Ether",
      "nativeCurrencySymbol": "ETH",
      "nativeCurrencyDecimals": 18,
      "isTest": true,
      "layer": 1,
      "enabled": false,
    },
    {
      "chainId": 4,
      "chainName": "Rinkeby",
      "rpcUrl": "https://rinkeby.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
      "blockExplorerUrl": "https://rinkeby.etherscan.io/",
      "iconUrl": "",
      "nativeCurrencyName": "Ether",
      "nativeCurrencySymbol": "ETH",
      "nativeCurrencyDecimals": 18,
      "isTest": true,
      "layer": 1,
      "enabled": false,
    },
    {
      "chainId": 5,
      "chainName": "Goerli",
      "rpcUrl": "http://goerli.blockscout.com/",
      "blockExplorerUrl": "https://goerli.etherscan.io/",
      "iconUrl": "",
      "nativeCurrencyName": "Ether",
      "nativeCurrencySymbol": "ETH",
      "nativeCurrencyDecimals": 18,
      "isTest": true,
      "layer": 1,
      "enabled": false,
    },
    {
      "chainId": 10,
      "chainName": "Optimistic Ethereum",
      "rpcUrl": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
      "blockExplorerUrl": "https://optimistic.etherscan.io",
      "iconUrl": "",
      "nativeCurrencyName": "Ether",
      "nativeCurrencySymbol": "ETH",
      "nativeCurrencyDecimals": 18,
      "isTest":  false,
      "layer":   2,
      "enabled": true,
    }
  ]
}

const DEFAULT_NETWORK_NAME* = "mainnet_rpc"

const sep = when defined(windows): "\\" else: "/"

proc defaultDataDir(): string =
  let homeDir = getHomeDir()
  let parentDir =
    if defined(development):
      parentDir(getAppDir())
    elif homeDir == "":
      getCurrentDir()
    elif defined(macosx):
      joinPath(homeDir, "Library", "Application Support")
    elif defined(windows):
      let targetDir = getEnv("LOCALAPPDATA").string
      if targetDir == "":
        joinPath(homeDir, "AppData", "Local")
      else:
        targetDir
    else:
      let targetDir = getEnv("XDG_CONFIG_HOME").string
      if targetDir == "":
        joinPath(homeDir, ".config")
      else:
        targetDir
  absolutePath(joinPath(parentDir, "Status"))


proc ensureDirectories*(dataDir, tmpDir, logDir: string) =
  createDir(dataDir)
  createDir(tmpDir)
  createDir(logDir)

# C Helpers
# ==============================================================================
proc ensureDirectories*(dataDir, tmpDir, logDir: cstring) {.exportc, dynlib.} =
  ensureDirectories($dataDir, $tmpDir, $logDir)