#!/usr/bin/env node

var program = require('commander');
var path = require('path');
var wrench = require('wrench');
var grunt = require('grunt');
require('shelljs/global');
var readYaml = require('read-yaml');
var Embark = require('..');

var run = function(cmd) {
  if (exec(cmd).code != 0) {
    exit();
  }
}

var deploy = function(env, embarkConfig, cb) {
  var contractFiles = grunt.file.expand(embarkConfig.contracts);
  var destFile = embarkConfig.output;

  Embark.init();
  Embark.blockchainConfig.loadConfigFile(embarkConfig.blockchainConfig);
  Embark.contractsConfig.loadConfigFile(embarkConfig.contractsConfig);

  var chainFile = Embark.blockchainConfig.blockchainConfig[env].chains || embarkConfig.chains || './chains.json';

  abi = Embark.deployContracts(env, contractFiles, destFile, chainFile, true, true, function(abi) {
    grunt.file.write(destFile, abi);
    cb();
  });
}

program
  .version('1.2.0');

program.command('new [name]').description('New application').action(function(name) {
  if (name === undefined) {
    console.log("please specify the app name");
    exit;
  }
  var prefPath = path.join(__dirname + '/../boilerplate');

  var targetDir = "./" + name;
  wrench.copyDirSyncRecursive(prefPath, targetDir);
  cd(targetDir);
  run('npm install');
  console.log('\n\ninit complete');
});

program.command('deploy [env]').description('deploy contracts').action(function(env_) {
  var env = env_ || 'development';
  var embarkConfig = readYaml.sync("./embark.yml");

  if (embarkConfig.type === "grunt") {
    run("grunt deploy_contracts:" + env);
  }
  else {
    deploy(env, embarkConfig, function() { exit(); });
  }
});

program.command('build [env]').description('build dapp').action(function(env_) {
  var env = env_ || 'development';
  var embarkConfig = readYaml.sync("./embark.yml");

  if (embarkConfig.type === "grunt") {
    run("grunt clean");
    run("grunt deploy_contracts:" + env);
    run('grunt build --env=' + env);
  }
  else if (embarkConfig.type === "meteor") {
    deploy(env, embarkConfig);
    run("meteor-build-client ./build -p ''");
  }
});

program.command('ipfs [env]').description('build dapp and make it available in ipfs').action(function(env_) {
  var env = env_ || 'development';
  var embarkConfig = readYaml.sync("./embark.yml");

  if (embarkConfig.type === "grunt") {
    run("grunt clean")
    run("grunt deploy_contracts:" + env)
    run('grunt build --env=' + env)
    run('grunt ipfs --env=' + env)
  }
  else if (embarkConfig.type === "meteor") {
    deploy(env, embarkConfig);
    run("meteor-build-client ./build -p ''");
    Embark.release.ipfs("build/")
  }
  else {
    console.log("command not available in manual mode yet");
  }
});

program.command('run [env]').description('run dapp').action(function(env_) {
  var env = env_ || 'development';
  var embarkConfig = readYaml.sync("./embark.yml");

  if (embarkConfig.type === "grunt") {
    run('grunt deploy --env=' + env);
  }
  else {
    console.log("command not available in meteor or manual mode yet");
    console.log("try instead embark deploy; if using meteor then follow that with 'meteor'");
  }
});

program.command('spec').description('run tests').action(function() {
  var embarkConfig = readYaml.sync("./embark.yml");

  if (embarkConfig.type === "grunt") {
    run('mocha test/ --no-timeouts');
  }
  else {
    console.log("command not available in meteor or manual mode yet");
    console.log("note: you can use embark tests with any framework");
    console.log("try running mocha test/");
  }
});

program.command('blockchain [env]').description('run blockchain').action(function(env_) {
  var env = env_ || 'development';
  var embarkConfig = readYaml.sync("./embark.yml");

  if (embarkConfig.type === "grunt") {
    run('grunt blockchain:' + env);
  }
  else {
    Embark.init()
    Embark.blockchainConfig.loadConfigFile(embarkConfig.blockchainConfig)
    Embark.contractsConfig.loadConfigFile(embarkConfig.contractsConfig)

    Embark.copyMinerJavascriptToTemp();

    Embark.startBlockchain(env, true);
  }
});

program.command('geth <env> [args...]').description('run geth with specified arguments').action(function(env_, args_) {
  var env = env_ || 'development';
  var embarkConfig = readYaml.sync("./embark.yml");
  var args = args_.join(' ');

  Embark.init()
  Embark.blockchainConfig.loadConfigFile(embarkConfig.blockchainConfig)
  Embark.contractsConfig.loadConfigFile(embarkConfig.contractsConfig)

  Embark.geth(env, args);
});

program.command('demo').description('create a working dapp with a SimpleStorage contract').action(function() {
  var boilerPath = path.join(__dirname + '/../boilerplate');
  var demoPath   = path.join(__dirname + '/../demo');

  var targetDir = "./embark_demo";
  wrench.copyDirSyncRecursive(boilerPath, targetDir);
  wrench.copyDirSyncRecursive(demoPath + "/app",    targetDir + "/app",    {forceDelete: true});
  wrench.copyDirSyncRecursive(demoPath + "/config", targetDir + "/config", {forceDelete: true});
  wrench.copyDirSyncRecursive(demoPath + "/test",   targetDir + "/test",   {forceDelete: true});

  cd(targetDir);
  run('npm install');
  console.log('\n\ninit complete');
});

program.command('meteor_demo').description('create a working meteor dapp with a SimpleStorage contract').action(function() {
  var boilerPath = path.join(__dirname + '/../demo_meteor');

  var targetDir = "./embark_demo";
  wrench.copyDirSyncRecursive(boilerPath, targetDir);
  console.log('\n\ninit complete');
});

program.command('simulator').description('run a fast ethereum rpc simulator').action(function() {
  try {
    var EtherSim = require('ethersim');
  } catch(e) {
    console.log('EtherSim not found; Please install it with "npm install ethersim --save"');
    console.log('For more information see https://github.com/iurimatias/ethersim');
    exit();
  }
  EtherSim.startServer();
});

program.parse(process.argv)

if (!process.argv.slice(2).length) {
  program.outputHelp();
}

//exit();