defmodule Mix.Tasks.Version do
  use Mix.Task

  alias VersionTasks.Shell

  @shortdoc "Learn more about the available version tasks"
  def run(_) do
    Shell.info("version_tasks v" <> VersionTasks.version())
    Shell.info("version_tasks is a set of helper mix tasks to manange your projects version")
    Shell.newline()

    Shell.info("Available version tasks:")
    Shell.newline()
    # Run `mix help --search version.`, and
    # Run `mix help --search githooks.` to get this output
    # and paste here

    Shell.info(
      "mix version.bin.db      # Create 'bin/db' helper scripts for managing database backups"
    )

    Shell.info(
      "mix version.bin.ff      # Add a FeatureFlags (FF) GenServer with release helper scripts to enable/disable them"
    )

    Shell.info(
      "mix version.bin.release # Initialize and create some 'bin' helper scripts for managing releases"
    )

    Shell.info("mix version.current     # Calculate the current version")

    Shell.info(
      "mix version.inc         # Inc to the next (major|minor|patch) version of your project"
    )

    Shell.info(
      "mix version.is_release  # Return the name (major|minor|patch) of the version if this is a release, nothing otherwise"
    )

    Shell.info("mix version.last_commit # Calculate the last git commit message")
    Shell.info("mix version.name        # Return the name (major|minor|patch) of this version")
    Shell.info("mix version.next        # The next version (e.g v0.9.2)")
    Shell.info("mix version.tag         # Git tag your project (e.g. v1.2.3)")
    Shell.info("mix version.untag       # Remove the git tag from your repo (e.g. v1.2.3)")
    Shell.info("mix version.up          # Inc to next version, and commit changes to git")

    Shell.info(
      "mix githooks.hexup      # Install a githook to run mix hex.publish on a new release"
    )

    Shell.info("mix githooks.deploy     # Install a githook to run ./bin/deploy on a new release")

    Shell.newline()

    Shell.info("Further information can be found here:")
    Shell.info("  -- https://hex.pm/packages/version_tasks")
    Shell.info("  -- https://github.com/aforward/version_tasks")
    Shell.newline()
  end
end