#compdef nanoc
# ------------------------------------------------------------------------------
# Copyright (c) 2020 OKURA Masafumi, MIT License
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# ------------------------------------------------------------------------------
# Description
# -----------
#
#  Completion script for nanoc (https://nanoc.ws/)
#
# ------------------------------------------------------------------------------
# Authors
# -------
#
#  * OKURA Masafumi (https://okuramasafumi.com)
#
#  This works is heavily inspired by the middleman completion by
#  Jozef Izso (https://github.com/jozefizso)
#
# ------------------------------------------------------------------------------

local ret=1 state

local -a common_ops
common_ops=(
  {-C,--no-color}"[disable color]"
  {-V,--verbose}"[make output more detailed]"
  {-d,--debug}"[enable debugging]"
  {-e,--env=}"[set environment]"
  {-h,--help}"[show the help message and quit]"
  {-l,--color}"[enable color]"
  {-v,--version}"[show version information and quit]"
  {-w,--warn}"[enable warnings]"
)

typeset -A opt_args
_arguments \
  ':subcommand:->subcommand' \
  $common_ops \
  '*::options:->options' && ret=0

case $state in
  subcommand)
    local -a subcommands
    subcommands=(
      "check:run issue checks"
      "compile:compile items of this site"
      "create-site:create a site"
      "deploy:deploy the compiled site"
      "help:show help"
      "prune:remove files not managed by Nanoc from the output directory"
      "shell:open a shell on the Nanoc environment"
      "show-data:show data in this site"
      "show-plugins:show all available plugins"
      "show-rules:describe the rules for each item"
      "view:start the web server that serves static files"
    )

    _describe -t subcommands 'nanoc subcommand' subcommands && ret=0
  ;;

  options)
    local -a args
    args=(
      $common_ops
    )

    local -a help
    help=(
      "--help[Display help information]"
    )

    case $words[1] in
      check)
        args=(
          {-L,--list}"[list all checks]"
          {-a,--all}"[run all checks]"
        )
      ;;

      compile)
        args=(
          "--diff[generate diff]"
          )
      ;;

      create-site)
        args=(
          "--force[force creation of new site]"
          )
      ;;

      deploy)
        args=(
          {-C,--no-check}"[do not run the issue checks marked for deployment]"
          {-D,--list-deployers}"[list available deployers]"
          {-L,--list}"[list available locations to deploy to]"
          {-n,--dry-run}"[show what would be deployed]"
          {-t,--target=}"[specify the location to deploy to (default:\`default\`)]"
          )
      ;;

      prune)
        args=(
          {-n,--dry-run}"[print files to be deleted instead of actually deleting them]"
          {-y,--yes}"[confirm deletion]"
          )
      ;;

      shell)
        args=(
          {-p,--preprocess}"[run preprocessor]"
          )
      ;;

      show-data)
        args=(
          )
      ;;

      show-plugins)
        args=(
          )
      ;;

      show-rules)
        args=(
          )
      ;;

      view)
        args=(
          {-H,--handler=}"[specify the handler to use(webrick/mongrel/...)]"
          {-L,--live-reload}"[reload on changes]"
          {-o,--host=}"[specify the host to listen on(default: 127.0.0.1)]"
          {-p,--port=}"[specify the port to listen on(default: 3000)]"
          )
      ;;
    esac

    _arguments $args && ret=0
  ;;
esac

return ret