Sending messages to slack with bash script

#!/usr/bin/env bash

bindir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
etcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

if [ -n "${SLACK_CLI_TOKEN}" ]; then
  token="${SLACK_CLI_TOKEN}"
elif [ -r "${etcdir}/.slack" ] && [ -f "${etcdir}/.slack" ]; then
  token=$(sed -n '1p' < "${etcdir}/.slack")
elif [ -r "${HOME}/.slack" ] && [ -f "${HOME}/.slack" ]; then
  token=$(sed -n '1p' < "${HOME}/.slack")
elif [ -r "/etc/.slack" ] && [ -f "/etc/.slack" ]; then
  token=$(sed -n '1p' < "/etc/.slack")
fi

# COMMAND PARSING #################################################################################
cmd="${1}" ; shift

# SUBCOMMAND PARSING ##############################################################################
case "${cmd}${1}" in
  chatdelete|chatsend|chatupdate|\
  filedelete|fileinfo|filelist|fileupload|\
  presenceactive|presenceaway|\
  reminderadd|remindercomplete|reminderdelete|reminderinfo|reminderlist| \
  snoozeend|snoozeinfo|snoozestart|\
  statusclear|statusedit)
    sub=${1} ; shift
  ;;
esac

# PIPE FRIENDLINESS ###############################################################################
case "${cmd}${sub}" in
  chatsend|chatupdate|fileupload) [ -p /dev/stdin ] && stdin=$(cat <&0) ;;
esac

# ARGUMENT AND OPTION PARSING #####################################################################
while (( "$#" )); do
  case "${1}" in
    --actions=*) actions=${1/--actions=/''} ; shift ;;
    --actions*|-a*) actions=${2} ; shift ; shift ;;
    --author-icon=*) authoricon=${1/--author-icon=/''} ; shift ;;
    --author-icon*|-ai*) authoricon=${2} ; shift ; shift ;;
    --author-link=*) authorlink=${1/--author-link=/''} ; shift ;;
    --author-link*|-al*) titlelink=${2} ; shift ; shift ;;
    --author=*) author=${1/--author=/''} ; shift ;;
    --author*|-at*) author=${2} ; shift ; shift ;;
    --channels=*) channels=${1/--channels=/''} ; shift ;;
    --channels*|-chs*) channels=${2} ; shift ; shift ;;
    --channel=*) channel=${1/--channel=/''} ; shift ;;
    --channel*|-ch*) channel=${2} ; shift ; shift ;;
    --color=*) color=${1/--color=/''} ; shift ;;
    --color*|-cl*) color=${2} ; shift ; shift ;;
    --compact|-cp) compact='-c' ; shift ;;
    --comment=*) comment=${1/--comment=/''} ; shift ;;
    --comment*|-cm*) comment=${2} ; shift ; shift ;;
    --count=*) count=${1/--count=/''} ; shift ;;
    --count|-cn*) count=${2} ; shift ; shift ;;
    --emoji=*) emoji=${1/--emoji=/''} ; shift ;;
    --emoji*|-em*) emoji=${2} ; shift ; shift ;;
    --fields=*) fields=${1/--fields=/''} ; shift ;;
    --fields*|-flds*) fields=${2} ; shift ; shift ;;
    --filename=*) filename=${1/--filename=/''} ; shift ;;
    --filename*|-fln*) filename=${2} ; shift ; shift ;;
    --filetype=*) filetype=${1/--filetype=/''} ; shift ;;
    --filetype*|-flt*) filetype=${2} ; shift ; shift ;;
    --file=*) file=${1/--file=/''} ; shift ;;
    --file*|-fl*) file=${2} ; shift ; shift ;;
    --filter=*) filter=${1/--filter=/''} ; shift ;;
    --filter*|-f*) filter=${2} ; shift ; shift ;;
    --footer-icon=*) footericon=${1/--footer-icon=/''} ; shift ;;
    --footer-icon*|-fi*) footericon=${2} ; shift ; shift ;;
    --footer=*) footer=${1/--footer=/''} ; shift ;;
    --footer*|-ft*) footer=${2} ; shift ; shift ;;
    --image=*) image=${1/--image-url=/''} ; shift ;;
    --image*|-im*) image=${2} ; shift ; shift ;;
    --monochrome|-m) monochrome='-M' ; shift ;;
    --minutes=*) minutes=${1/--minutes=/''} ; shift ;;
    --minutes*|-mn*) minutes=${2} ; shift ; shift ;;
    --page=*) page=${1/--page=/''} ; shift ;;
    --page|-pg*) page=${2} ; shift ; shift ;;
    --pretext=*) pretext=${1/--pretext=/''} ; shift ;;
    --pretext*|-pt*) pretext=${2} ; shift ; shift ;;
    --reminder=*) reminder=${1/--reminder=/''} ; shift ;;
    --reminder|-rm*) reminder=${2} ; shift ; shift ;;
    --text=*) text=${1/--text=/''} ; shift ;;
    --text*|-tx*) text=${2} ; shift ; shift ;;
    --thumbnail=*) thumbnail=${1/--thumbnail=/''} ; shift ;;
    --thumbnail*|-th*) thumbnail=${2} ; shift ; shift ;;
    --time=*) _time=${1/--time=/''} ; shift ;;
    --time|-tm*) _time=${2} ; shift ; shift ;;
    --timestamp-from=*) timestampfrom=${1/--timestampfrom=/''} ; shift ;;
    --timestamp-from|-tf*) timestampfrom=${2} ; shift ; shift ;;
    --timestamp-to=*) timestampto=${1/--timestampto=/''} ; shift ;;
    --timestamp-to|-tt*) timestampto=${2} ; shift ; shift ;;
    --timestamp=*) timestamp=${1/--timestamp=/''} ; shift ;;
    --timestamp*|-ts*) timestamp=${2} ; shift ; shift ;;
    --title-link=*) titlelink=${1/--title-link=/''} ; shift ;;
    --title-link*|-tl*) titlelink=${2} ; shift ; shift ;;
    --title=*) title=${1/--title=/''} ; shift ;;
    --title*|-ti*) title=${2} ; shift ; shift ;;
    --token=*) token=${1/--token=/''} ; shift ;;
    --token|-tk*) token=${2} ; shift ; shift ;;
    --trace|-x) trace='set -x' ; shift ;;
    --types=*) types=${1/--types=/''} ; shift ;;
    --types|-ty*) types=${2} ; shift ; shift ;;
    --user=*) user=${1/--user=/''} ; shift ;;
    --user|-ur*) user=${2} ; shift ; shift ;;
    *)
      case "${cmd}${sub}" in
        chatdelete)
          [ -n "${1}" ] && [ -n "${timestamp}" ] && [ -z "${channel}" ] && channel=${1}
          [ -n "${1}" ] && [ -z "${timestamp}" ] && timestamp=${1}
        ;;
        chatsend)
          [ -n "${1}" ] && [ -n "${text}" ] && [ -z "${channel}" ] && channel=${1}
          [ -n "${1}" ] && [ -z "${text}" ] && text=${1}
        ;;
        chatupdate)
          [ -n "${1}" ] && [ -n "${text}" ] && [ -n "${timestamp}" ] && [ -z "${channel}" ] && channel=${1}
          [ -n "${1}" ] && [ -n "${text}" ] && [ -z "${timestamp}" ] && timestamp=${1}
          [ -n "${1}" ] && [ -z "${text}" ] && text=${1}
        ;;
        filedelete|fileinfo)
          [ -n "${1}" ] && [ -z "${file}" ] && file=${1}
        ;;
        fileupload)
          [ -n "${1}" ] && [ -n "${file}" ] && [ -z "${channels}" ] && channels=${1}
          [ -n "${1}" ] && [ -z "${file}" ] && file=${1}
        ;;
        snoozeinfo)
          [ -n "${1}" ] && [ -z "${user}" ] && user=${1}
        ;;
        snoozestart)
          [ -n "${1}" ] && [ -z "${minutes}" ] && minutes=${1}
        ;;
        statusedit)
          [ -n "${1}" ] && [ -n "${text}" ] && [ -z "${emoji}" ] && emoji=${1}
          [ -n "${1}" ] && [ -z "${text}" ] && text=${1}
        ;;
        reminderadd)
          [ -n "${1}" ] && [ -n "${text}" ] && [ -z "${_time}" ] && _time=${1}
          [ -n "${1}" ] && [ -z "${text}" ] && text=${1}
        ;;
        remindercomplete|reminderdelete|reminderinfo)
          [ -n "${1}" ] && [ -z "${reminder}" ] && reminder=${1}
        ;;
      esac
      shift
    ;;
  esac
done

# TRACING #########################################################################################
${trace}

# ARGUMENT AND OPTION PROMPTING ###################################################################
case "${cmd}${sub}" in
  chatdelete)
    [ -z "${channel}" ] && read -e -p 'Enter channel (e.g. #general): ' channel
    [ -z "${timestamp}" ] && read -e -p 'Enter timestamp (e.g. 1405894322.002768): ' timestamp
  ;;
  chatsend)
    [ -z "${channel}" ] && [ -z "${text}" ] && prompt='true'
    [ -n "${prompt}" ] && [ -z "${actions}" ] && read -e -p 'Enter actions (e.g. {"type": “button", "style": "primary", "text": "my text", "url": "http://example.com"}, ...): ' actions
    [ -n "${prompt}" ] && [ -z "${author}" ] && read -e -p 'Enter author name (e.g. slackbot): ' author
    [ -n "${prompt}" ] && [ -z "${authoricon}" ] && read -e -p 'Enter author icon (e.g. a URL): ' authoricon
    [ -n "${prompt}" ] && [ -z "${authorlink}" ] && read -e -p 'Enter author link (e.g. a URL): ' authorlink
    [ -z "${channel}" ] && read -e -p 'Enter channel (e.g. #general): ' channel
    [ -n "${prompt}" ] && [ -z "${color}" ] && read -e -p 'Enter color (e.g. good): ' color
    [ -n "${prompt}" ] && [ -z "${fields}" ] && read -e -p 'Enter fields (e.g. {"title": "My Field Title", "value": "My field value", "short": true}, ...): ' fields
    [ -n "${prompt}" ] && [ -z "${footer}" ] && read -e -p 'Enter footer (e.g. Hello footer!): ' footer
    [ -n "${prompt}" ] && [ -z "${footericon}" ] && read -e -p 'Enter footer icon (e.g. a URL): ' footericon
    [ -n "${prompt}" ] && [ -z "${image}" ] && read -e -p 'Enter image (e.g. a URL): ' image
    [ -n "${prompt}" ] && [ -z "${pretext}" ] && read -e -p 'Enter pretext (e.g. Hello pretext!): ' pretext
    [ -z "${text}" ] && read -e -p 'Enter text (e.g. Hello text!): ' text
    [ -n "${prompt}" ] && [ -z "${thumbnail}" ] && read -e -p 'Enter thumbnail (e.g. a URL): ' thumbnail
    [ -n "${prompt}" ] && [ -z "${_time}" ] && read -e -p 'Enter time (e.g. 123456789): ' _time
    [ -n "${prompt}" ] && [ -z "${title}" ] && read -e -p 'Enter title (e.g. Hello title!): ' title
    [ -n "${prompt}" ] && [ -z "${titlelink}" ] && read -e -p 'Enter title link (e.g. a URL): ' titlelink
  ;;
  chatupdate)
    [ -z "${text}" ] && read -e -p 'Enter text (e.g. Hello World!): ' text
    [ -z "${timestamp}" ] && read -e -p 'Enter timestamp (e.g. 1405894322.002768): ' timestamp
    [ -z "${channel}" ] && read -e -p 'Enter channel (e.g. #general): ' channel
  ;;
  filedelete)
    [ -z "${file}" ] && read -e -p 'Enter file (e.g. F2147483862): ' file
  ;;
  fileinfo)
    [ -z "${file}" ] && read -e -p 'Enter file (e.g. F2147483862): ' file
  ;;
  fileupload)
    [ -z "${file}" ] && read -e -p 'Enter file (e.g. file.log): ' file
    [ -z "${channels}" ] && read -e -p 'Enter channels (e.g. #general,C1234567890): ' channels
  ;;
  init)
    if [ -n "${SLACK_CLI_TOKEN}" ]; then
      _token="${SLACK_CLI_TOKEN}"
    elif [ -r "${etcdir}/.slack" ] && [ -f "${etcdir}/.slack" ]; then
      _token=$(sed -n '1p' < "${etcdir}/.slack")
    fi

    if [ -z "${token}" ] || [ "${token}" == "${_token}" ]; then
      read -e -p 'Enter Slack API token: ' token
    fi
  ;;
  reminderadd)
    [ -z "${text}" ] && read -e -p 'Enter text (e.g. lunch): ' text
    [ -z "${_time}" ] && read -e -p 'Enter time (e.g. 123456789): ' _time
  ;;
  remindercomplete|reminderdelete|reminderinfo)
    [ -z "${reminder}" ] && read -e -p 'Enter reminder (e.g. RmCT7QGVBF): ' reminder
  ;;
  snoozestart)
    [ -z "${minutes}" ] && read -e -p 'Enter minutes (e.g. 60): ' minutes
  ;;
  statusedit)
    [ -z "${text}" ] && read -e -p 'Enter text (e.g. lunch): ' text
    [ -z "${emoji}" ] && read -e -p 'Enter emoji (e.g. :hamburger:): ' emoji
  ;;
esac

# COMMAND UTILITY FUNCTIONS #######################################################################
function attachify() {
  [ -n "${actions}" ] && local _actions=", \"actions\": [${actions}]"
  [ -n "${author}" ] && local _author=", \"author_name\": \"${author}\""
  [ -n "${authoricon}" ] && local _authoricon=", \"author_icon\": \"${authoricon}\""
  [ -n "${authorlink}" ] && local _authorlink=", \"author_link\": \"${authorlink}\""
  [ -n "${color}" ] && local _color=", \"color\": \"${color}\""
  [ -n "${fields}" ] && local _fields=", \"fields\": [${fields}]"
  [ -n "${footer}" ] && local _footer=", \"footer\": \"${footer}\""
  [ -n "${footericon}" ] && local _footericon=", \"footer_icon\": \"${footericon}\""
  [ -n "${image}" ] && local _image=", \"image_url\": \"${image}\""
  [ -n "${pretext}" ] && local _pretext=", \"pretext\": \"${pretext}\""
  [ -n "${thumbnail}" ] && local _thumbnail=", \"thumb_url\": \"${thumbnail}\""
  [ -n "${_time}" ] && local __time=", \"ts\": \"${_time}\""
  [ -n "${title}" ] && local _title=", \"title\": \"${title}\""
  [ -n "${titlelink}" ] && local _titlelink=", \"title_link\": \"${titlelink}\""
  local _json="${_author}${_authoricon}${_authorlink}${_color}${_footer}${_footericon}${_image}${_pretext}${_thumbnail}${__time}${_title}${_titlelink}${_fields}${_actions}"
  [ -z "${_json}" ] && local _attachments="[{\"mrkdwn_in\": [\"pretext\"], \"fallback\": \"${text}\", \"pretext\": \"${text}\"}]"
  [ -n "${_json}" ] && local _attachments="[{\"mrkdwn_in\": [\"fields\", \"pretext\", \"text\"], \"fallback\": \"${text}\", \"text\": \"${text}\"${_json}}]"

  echo "${_attachments}"
}

function jqify() {
  case "$(echo ${1} | jq -r '.ok')" in
    true) echo ${1} | jq -r ${compact} ${monochrome} "${filter:=.}" ;;
    *) echo ${1} | jq -r ${compact} ${monochrome} "${filter:=.}" ; return 1 ;;
  esac
}

function lchannel() {
  case "${channel}" in
    @*)
      local _user=$(\
        curl -s -X POST https://slack.com/api/users.list --data-urlencode "token=${token}" 2>&1 | \
        jq -r ".members | map(select(.name == \"${channel/@/}\" or .profile.display_name == \"${channel/@/}\")) | .[0].id")
      local _channel=$(\
        curl -s -X POST https://slack.com/api/im.list --data-urlencode "token=${token}" 2>&1 | \
        jq -r ".ims | map(select(.user == \"${_user}\")) | .[].id")

      echo ${_channel}
    ;;
    *) echo ${channel} ;;
  esac
}

function luser() {
  case "${user}" in
    @*)
      local _user=$(\
        curl -s -X POST https://slack.com/api/users.list --data-urlencode "token=${token}" 2>&1 | \
        jq -r ".members | map(select(.name == \"${user/@/}\" or .profile.display_name == \"${user/@/}\")) | .[0].id")

      echo ${_user}
    ;;
    *) echo ${user} ;;
  esac
}

# COMMAND FUNCTIONS ###############################################################################
function chatdelete() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/chat.delete \
      --data-urlencode "as_user=true" \
      --data-urlencode "channel=$(lchannel)" \
      --data-urlencode "ts=${timestamp}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function chatsend() {
  [ -n "${stdin}" ] && [ -z "${text}" ] && text=\`\`\`${stdin//$'\n'/'\n'}\`\`\`

  local msg=$(\
    curl -s -X POST https://slack.com/api/chat.postMessage \
      --data-urlencode "as_user=true" \
      --data-urlencode "attachments=$(attachify)" \
      --data-urlencode "channel=$(lchannel)" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function chatupdate() {
  [ -n "${stdin}" ] && [ -z "${text}" ] && text=\`\`\`${stdin//$'\n'/'\n'}\`\`\`

  local msg=$(\
    curl -s -X POST https://slack.com/api/chat.update \
      --data-urlencode "as_user=true" \
      --data-urlencode "attachments=$(attachify)" \
      --data-urlencode "channel=$(lchannel)" \
      --data-urlencode "ts=${timestamp}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function help() {
  local a=(${0//\// })
  local bin=${a[${#a[@]}-1]}

  echo 'Usage:'
  echo "  ${bin} chat delete [<timestamp> [channel]]"
  echo '    [--channel|-ch <channel>] [--compact|-c] [--filter|-f <filter>] [--monochrome|-m]'
  echo '    [--timestamp|-ts <timestamp>] [--trace|-x]'
  echo
  echo "  ${bin} chat send [<text> [channel]]"
  echo '    [--author|-at <author>] [--author-icon|-ai <author-icon-url>]'
  echo '    [--author-link|-al <author-link>] [--channel|-ch <channel>] [--color|-cl <color>]'
  echo '    [--compact|-cp] [--fields|-flds <fields>] [--filter|-f <filter>] [--footer|-ft <footer>]'
  echo '    [--footer-icon|-fi <footer-icon-url>] [--image|-im <image-url>] [--monochrome|-m]'
  echo '    [--pretext|-pt <pretext>] [--text|-tx <text>] [--thumbnail|-th <thumbnail-url>]'
  echo '    [--time|-tm <time>] [--title|-ti <title>] [--title-link|-tl <title-link>]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} chat update [<text> [<timestamp> [channel]]]"
  echo '    [--author|-at <author>] [--author-icon|-ai <author-icon-url>]'
  echo '    [--author-link|-al <author-link>] [--channel|-ch <channel>] [--color|-cl <color>]'
  echo '    [--compact|-cp] [--fields|flds <fields>] [--filter|-f <filter>] [--footer|-ft <footer>]'
  echo '    [--footer-icon|-fi <footer-icon-url>] [--image|-im <image-url>] [--monochrome|-m]'
  echo '    [--pretext|-pt <pretext>] [--text|-tx <text>] [--thumbnail|-th <thumbnail-url>]'
  echo '    [--time|-tm <time>] [--timestamp|-ts <timestamp>] [--title|-ti <title>]'
  echo '    [--title-link|-tl <title-link>] [--trace|-x]'
  echo
  echo "  ${bin} init"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--token|-tk <token>]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} file delete [file]"
  echo '    [--compact|-c] [--file|-fl <file>] [--filter|-f <filter>] [--monochrome|-m]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} file info [file]"
  echo '    [--count|-cn <count>] [--compact|-c] [--file|-fl <file>] [--filter|-f <filter>]'
  echo '    [--monochrome|-m] [--page|-pg <page>] [--trace|-x]'
  echo
  echo "  ${bin} file list"
  echo '    [--channel|-ch <channel>] [--count|-cn <count>] [--compact|-c] [--filter|-f <filter>]'
  echo '    [--monochrome|-m] [--page|-pg <page>] [--timestamp-from|-tf <timetamp>]'
  echo '    [--timestamp-to|-tt <timestamp>] [--trace|-x] [--types|-ty <types>]'
  echo '    [--user|-ur <user>]'
  echo
  echo "  ${bin} file upload [<file> [channels]]"
  echo '    [--channels|-chs <channels>] [--comment|-cm <comment>] [--compact|-c]'
  echo '    [--file|fl <file>] [--filename|-fn <filename>] [--filetype|-ft <filetype>]'
  echo '    [--filter|-f <filter>] [--monochrome|-m] [--title|-ti <title>] [--trace|-x]'
  echo
  echo "  ${bin} presence active"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo
  echo "  ${bin} presence away"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo
  echo "  ${bin} reminder add [<text> [time]]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--text|tx <text>]'
  echo '    [--time|tm <time>] [--trace|-x] [--user|-ur <user>]'
  echo
  echo "  ${bin} reminder complete [reminder]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--reminder|rm <reminder>]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} reminder delete [reminder]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--reminder|rm <reminder>]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} reminder info [reminder]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--reminder|rm <reminder>]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} reminder list"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo
  echo "  ${bin} snooze end"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo
  echo "  ${bin} snooze info [user]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo '    [--user|-ur <user>]'
  echo
  echo "  ${bin} snooze start [minutes]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--minutes|-mn <minutes>] [--monochrome|-m]'
  echo '    [--trace|-x]'
  echo
  echo "  ${bin} status clear"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo
  echo "  ${bin} status edit [<text> [<emoji>]]"
  echo '    [--compact|-c] [--filter|-f <filter>] [--monochrome|-m] [--trace|-x]'
  echo
  echo 'Configuration Commands:'
  echo '  init    Initialize'
  echo
  echo 'Chat Commands:'
  echo '  chat delete    Delete chat message'
  echo '  chat send      Send chat message'
  echo '  chat update    Update chat message'
  echo
  echo 'File Commands:'
  echo '  file delete    Delete file'
  echo '  file info      Info about file'
  echo '  file list      List files'
  echo '  file upload    Upload file'
  echo
  echo 'Presence Commands:'
  echo '  presence active    Active presence'
  echo '  presence away      Away presence'
  echo
  echo 'Reminder Commands:'
  echo '  reminder add         Add reminder'
  echo '  reminder complete    Complete reminder'
  echo '  reminder delete      Delete reminder'
  echo '  reminder info        Info about reminder'
  echo '  reminder list        List reminders'
  echo
  echo 'Snooze Commands:'
  echo '  snooze end      End snooze'
  echo '  snooze info     Info about snooze'
  echo '  snooze start    Start snooze'
  echo
  echo 'Status Commands:'
  echo '  status clear    Clear status'
  echo '  status edit     Edit status'
  echo
  echo 'More Information:'
  echo '  repo    https://github.com/rockymadden/slack-cli'
}

function filedelete() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/files.delete \
      --data-urlencode "file=${file}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function fileinfo() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/files.info \
      ${count:+ --data-urlencode "count=${count}"} \
      --data-urlencode "file=${file}" \
      ${page:+ --data-urlencode "page=${page}"} \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function filelist() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/files.list \
      ${channel:+ --data-urlencode "channel=${channel}"} \
      ${count:+ --data-urlencode "count=${count}"} \
      ${page:+ --data-urlencode "page=${page}"} \
      ${timestampfrom:+ --data-urlencode "ts_from=${timestampfrom}"} \
      ${timestampto:+ --data-urlencode "ts_to=${timestampto}"} \
      ${types:+ --data-urlencode "types=${types}"} \
      ${user:+ --data-urlencode "user=$(luser)"} \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function fileupload() {
  [ -n "${stdin}" ] && [ -z "${file}" ] && file=${stdin}

  if [ -f "${file}" ]; then
    local _file=${file}

    case "${filename}" in
      '') local _filename=$(basename ${file}) ;;
      *) local _filename=${filename} ;;
    esac
  else
    local _content=${file}

    case "${filename}" in
      '') local _filename='stdin' ;;
      *) local _filename=${filename} ;;
    esac
  fi

  case "${_file}" in
    '')
      local msg=$(\
        curl -s -X POST https://slack.com/api/files.upload \
          ${channels:+ --data-urlencode "channels=${channels}"} \
          ${comment:+ --data-urlencode "initial_comment=${comment}"} \
          ${_content:+ --data-urlencode "content=${_content}"} \
          ${_filename:+ --data-urlencode "filename=${_filename}"} \
          ${filetype:+ --data-urlencode "filetype=${filetype}"} \
          ${title:+ --data-urlencode "title=${title}"} \
          --data-urlencode "token=${token}")
    ;;
    *)
      local msg=$(\
        curl -s -X POST https://slack.com/api/files.upload \
          ${channels:+ --form-string "channels=${channels}"} \
          ${comment:+ --form "initial_comment=${comment}"} \
          ${_file:+ --form "file=@${_file}"} \
          ${_filename:+ --form "filename=${_filename}"} \
          ${filetype:+ --form "filetype=${filetype}"} \
          ${title:+ --form "title=${title}"} \
          --form "token=${token}")
    ;;
  esac

  jqify "${msg}"
}

function init() {
  echo "${token}" > "${etcdir}/.slack"

  case "${?}" in
    0) echo '{"ok": true}' | jq -r ${compact} ${monochrome} "${filter:=.}" ;;
    *)
      echo '{"ok": false, "error": "not_writable"}' |
        jq -r ${compact} ${monochrome} "${filter:=.}" ; return 1
    ;;
  esac
}

# Setting presence=auto + setActive works more consistently than just setActive.
function presenceactive() {
  local msg0=$(\
    curl -s -X POST https://slack.com/api/users.setPresence \
      --data-urlencode "presence=auto" \
      --data-urlencode "token=${token}")

  local msg1=$(\
    curl -s -X POST https://slack.com/api/users.setActive \
      --data-urlencode "token=${token}")

  jqify "${msg0}" && jqify "${msg1}" >/dev/null 2>&1
}

function presenceaway() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/users.setPresence \
      --data-urlencode "presence=away" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function reminderadd() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/reminders.add \
      --data-urlencode "text=${text}" \
      --data-urlencode "time=${_time}" \
      ${user:+ --data-urlencode "user=$(luser)"} \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function remindercomplete() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/reminders.complete \
      --data-urlencode "reminder=${reminder}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function reminderdelete() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/reminders.delete \
      --data-urlencode "reminder=${reminder}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function reminderinfo() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/reminders.info \
      --data-urlencode "reminder=${reminder}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function reminderlist() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/reminders.list \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function snoozeend() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/dnd.endSnooze \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function snoozeinfo() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/dnd.info \
      ${user:+ --data-urlencode "user=$(luser)"} \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function snoozestart() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/dnd.setSnooze \
      --data-urlencode "num_minutes=${minutes}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function statusclear() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/users.profile.set \
      --data-urlencode 'profile={"status_text":"", "status_emoji":""}' \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function statusedit() {
  local msg=$(\
    curl -s -X POST https://slack.com/api/users.profile.set \
      --data-urlencode "profile={\"status_text\":\"${text}\", \"status_emoji\":\"${emoji}\"}" \
      --data-urlencode "token=${token}")

  jqify "${msg}"
}

function version() {
  echo '0.18.0'
}

# COMMAND ROUTING #################################################################################
case "${cmd}${sub}" in
  --help|-h) help ; exit 0 ;;
  --version|-v) version ; exit 0 ;;
  init) init ; exit $? ;;
  chatdelete|chatsend|chatupdate|\
  filedelete|fileinfo|filelist|fileupload|\
  presenceactive|presenceaway|\
  reminderadd|remindercomplete|reminderdelete|reminderinfo|reminderlist|\
  snoozeend|snoozeinfo|snoozestart|\
  statusclear|statusedit)
    if [ -z "${token}" ]; then
      echo '{"ok": false, "error": "not_inited"}' |
        jq -r ${compact} ${monochrome} "${filter:=.}" ; exit 1
    fi

    ${cmd}${sub} ; exit $?
  ;;
  *) help ; exit 1 ;;
esac

chomd +x slack-cli

./slack-cli chat send "Testing message" '##slack-channel-name'