#!/usr/bin/env bash

# Hopefully one day this will be a full featured Pleroma client.
# Let's see how far we can get. :)

# Get an oauth token
get_oauth_token() {
    echo "Welcome to ${softwareName}!"
    echo
    echo "Let's get you connected to your instance."
    while [[ -z "${instanceURL}" ]]; do
        echo
        read -er -p "Enter the URL of a Pleroma instance: " instanceURL
        if [[ ! "${instanceURL}" =~ ^https:// ]]; then
            instanceURL="https://${instanceURL}"
        fi
    done
    redirectURI="https://billy.wolfe.casa/ratatoskr-success.html"
    # get client id and secret
    curl -s -X POST -d client_name="${softwareName}" -d "redirect_uris=${redirectURI}" -d "scopes=read write follow push" -d "website=https://git.stormux.org/storm/ratatoskr" "${instanceURL}/api/v1/apps" |
        jq --raw-output '"client_id=\"\(.client_id)\"\nclient_secret=\"\(.client_secret)\""' > "${configPath}/${configFile}"
        # Load the new variables from the configuration file
        source "${configPath}/${configFile}"
    # Create the url to get the oauth token
    local url="${instanceURL}/oauth/authorize?client_id=${client_id}&redirect_uri=https://billy.wolfe.casa/ratatoskr-success.html&response_type=code&scope=read%20write%20follow%20push"
    echo "Please open the following url in your browser."
    echo "Copy the generated token, and paste it here, then press enter to continue."
    echo
    echo "${url}"
    echo
    if command -v xclip &> /dev/null ; then
        echo "${url}" | xclip -selection clipboard -d "${DISPLAY:-:0}" 2> /dev/null &&
            echo "For convenience the url has been copied to your clipboard."
    fi
    read -er oauth_token
    echo "oauth_token=\"${oauth_token}\"" >> "${configPath}/${configFile}"
}


# Variable initialization
configPath="${XDG_CONFIG_HOME:-$HOME/.config}/ratatoskr" # Path for settings, usually ~/.config/ratatoskr
configFile="default.conf" # The default config file, eventually will support multiple accounts.
softwareName="Ratatoskr" # The name of the client.


# Main code starts here

# make sure the configuration path exists:
mkdir -p "${configPath}"

# if the default file doesn't exist, create it
if [[ ! -e "${configPath}/${configFile}" ]]; then
    get_oauth_token
fi

exit 0