const configFileName = 'deployConfig.js'
const fs = require('fs')

function getConfig (projectName) {
  delete require.cache[require.resolve(`./../projects/${projectName}/${configFileName}`)]
  let config =  require(`./../projects/${projectName}/${configFileName}`)
  return config
}

function parseConfig (configList, projectName, tag) {
  let config = getBranchConfig(configList, tag)
  if (!config) return
  if (config.deployType === 'FTP') {
    return parseFtpConfig(config, projectName)
  }
}

function getBranchConfig (config, tag) {
  let result
  for (let i = 0; i < config.length; i++) {
    if (tag.indexOf(config[i].tagExg) > -1 ) {
      result = config[i]
      break
    }
  }
  return result
}

function parseFtpConfig (config, projectName) {
  let result = {
    cmds: config.cmd,
    branch: config.branch,
    tagExg: config.tagExg,
    parameter: {
      localRoot: `${process.cwd()}/projects/${projectName}/${config.deployConfig.distPath}`,
      remoteRoot: config.deployConfig.remotePath,
      include: config.deployConfig.include,
      exclude: config.deployConfig.exclude
    }
  }
  return result
}

function readConfig (projectName, tag) {
  let deployConfig = getConfig(projectName)
  return parseConfig(deployConfig, projectName, tag)
}

module.exports = readConfig