local LIST_FILES = {
  'miner.lua',
  'coal-crafter.lua',
  'inferium-upgrader.lua',
  'inferium-harvester.lua',
  'inferium-server.lua'
};

local LIST_LIBS_FILES = {
  'libs/net.lua',
  'libs/utils.lua',
  'libs/turtle-utils.lua',
  'libs/robot.lua'
}

local LIST_CONFIG_FILES = {
  'startup.lua',
  'upgrade.lua',
  'config/mining.lua',
  'config/inferium.lua'
}

-- old files that need to be cleaned up
local LIST_OLD_FILES = {
  'config/inferium-plans.lua',
  'config/harvesting.lua'
}

local REPO_PREFIX = 'https://git.trapcloud.fr/guillaumearm/minecraft-cc-tools/raw/branch/master/'

local removeFiles = function(list)
  for _, filePath in pairs(list) do
    if filePath then
      fs.delete(filePath)
    end
  end
end

local installFiles = function(list)
  for _, filePath in pairs(list) do
    if filePath then
      fs.delete(filePath)
      shell.execute('wget', REPO_PREFIX .. filePath, filePath)
    end
  end
end

local installConfig = function()
  -- do not override existing config files
  for _, filePath in pairs(LIST_CONFIG_FILES) do
    if filePath and not fs.exists(filePath) then
      shell.execute('wget', REPO_PREFIX .. filePath, filePath)
    end
  end
end

local prepareDirs = function()
  fs.makeDir('/old')
  fs.makeDir('/libs')
  fs.makeDir('/config')
  fs.makeDir('/data')
end

local mainSetup = function()
  local previousDir = shell.dir()

  prepareDirs()
  removeFiles(LIST_OLD_FILES)
  installFiles(LIST_LIBS_FILES)
  installFiles(LIST_FILES)
  installConfig()

  shell.setDir(previousDir)
end

mainSetup()