#!/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 ${softwareName}!"
    echo
    echo "Let's get you connected to your instance."
    while true; do
        read -e -p "Enter the URL of a Pleroma instance: " instanceURL
        if [[ ! "${instanceURL}" =~ ^https://[a-zA-Z0-9._-]+\.[a-zA-Z]{2,}$ ]]; then
            echo "Invalid URL format. Please enter a valid URL that starts with 'https'."
            echo
        else
            break
        fi
    done
    redirectURI="file://$(realpath ${0})"
    # get client id and secret
    curl -s -X POST -d client_name="${softwareName}" -d redirect_uris="://${redirectURI}" "${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=${redirectURI}&response_type=code&scope=read+write+follow"
    echo "Please open the following url in your browser."
    echo "Copy the generated token, and paste it here."
    echo
    echo "${url}"
    echo
}


# 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}"

get_oauth_token

exit 0