interactive-config

#!/usr/bin/env bash
[[ "${TRACE}" ]] && set -x
set -eu
set -o pipefail

configure_git() {
	local target=~/.gitconfig.private
	[ -f "${target}" ] && return 0

	local gpg_default_key
	gpg_default_key=$(gpgconf --list-options gpg | awk -F: '/^default-key:/{ sub(/^"/, "", $10); print $10 }')

	read -r -p "Name: " name
	read -r -p "E-mail: " email
	read -r -p "GPG-key [${gpg_default_key}]: " signingkey
	signingkey=${signingkey:-"${gpg_default_key}"}
	read -r -p "GitHub user: " gh_user
	read -r -p "GitHub token: " gh_token
	read -r -p "GHI token: " ghi_token
	echo

	echo "Writing file '${target}' with content:"
	tee "${target}" <<EOM
[user]
	name = ${name}
	email = ${email}
	signingkey = ${signingkey}
[github]
	user = ${gh_user}
	token = ${gh_token}
[ghi]
	ghi = ${ghi_token}
EOM
}

configure_vdirsyncer_client() {
	local target=~/.local/share/vdirsyncer/env
	[ -f "${target}" ] && return 0

	mkdir -p "${target%/*}"

	read -r -p "Client ID: " client_id
	read -r -p "Client Secret: " client_secret
	echo

	echo "Writing file '${target}' with content:"
	tee "${target}" <<EOM
CLIENT_ID=${client_id}
CLIENT_SECRET=${client_secret}
EOM
}

configure_vdirsyncer() {
	[ -d ~/.calendars ] && return 0

	local env_file=~/.local/share/vdirsyncer/env
	# shellcheck disable=SC2046
	env $(xargs < "${env_file}") vdirsyncer discover
}

configure_khal() {
	khal-link-calendar
}

configure_autorandr() {
	local profile_path=~/.config/autorandr
	local target="${profile_path}/default"
	[ -L "${target}" ] && return 0

	echo 'Available profiles:'
	for file in "${profile_path}"/*
	do
		echo "${file##*/}"
	done

	read -r -p 'Default profile: ' profile
	ln -s "${profile_path}/${profile}" "${target}"
}

configure_offlineimap_client() {
	local target=~/.local/share/offlineimap/env
	[ -f "${target}" ] && return 0

	mkdir -p "${target%/*}"

	read -r -p "Client ID: " client_id
	read -r -p "Client Secret: " client_secret
	echo

	echo "Writing file '${target}' with content:"
	tee "${target}" <<EOM
CLIENT_ID=${client_id}
CLIENT_SECRET=${client_secret}
EOM
}

main() {
	echo '==> Create private git config:'
	configure_git
	echo '==> Configure vdirsyncer client'
	configure_vdirsyncer_client
	echo '==> Configure vdirsyncer'
	configure_vdirsyncer
	echo '==> Configure khal'
	configure_khal
	echo '==> Configure autorandr'
	configure_autorandr
	echo '==> Configure offlineimap client'
	configure_offlineimap_client
}

main "$@"