#!/bin/sh

json_parser(){
    echo "$1" | sed \
        -e "s/.*$2...//" \
        -e 's/\",\".*//' \
        -e "s/.\//\//g" \
        -e "s/\&/\&/g"
}

# Initial config

echo "- Input the instance: (ex: example.instance.xyz):"
read instance
base_url="https://$instance"
perm="read write"
echo "instance=$instance" > config

echo "\n- Input the name for your bot (ex: Totally SFW image posting bot):"
read botname


# Registering the app

app_json=$(
    curl -X POST "$base_url/api/v1/apps" \
        -F "client_name=\"$botname\"" \
	-F "redirect_uris=urn:ietf:wg:oauth:2.0:oob" \
        -F "scope=$perm" \
        2> /dev/null
)

client_id=$(json_parser "$app_json" client_id)
client_secret=$(json_parser "$app_json" client_secret)

echo "client_id=$client_id"         >> config
echo "client_secret=$client_secret" >> config


# Authorizing the user for the app to use

echo "\n- Please open the URL below:"
auth_url="$base_url/oauth/authorize?resonse_type=code&client_id=$client_id&redirect_uri=urn:ietf:wg:oauth:2.0:oob&force_login&scope=$perm"
echo $auth_url

echo "\n- After logging in, paste the code below:"
read code

auth_json=$(
    curl -X POST \
	    -F "client_id=$client_id" \
	    -F "client_secret=$client_secret" \
	    -F 'redirect_uri=urn:ietf:wg:oauth:2.0:oob' \
	    -F 'grant_type=authorization_code' \
	    -F "code=$code" \
	    -F "scope=$perm" \
	    "$base_url/oauth/token" \
    2> /dev/null
)

access_token=$(json_parser "$auth_json" access_token)
echo $access_token

echo "access_token=$access_token" >> config

echo "\n- Which visibility you want the published statuses to be? (public, unlisted, private) [public]:"
read visibility
echo "visibility=$visibility" >> config

echo "\n- Mark images as sensitive? (yes, no) [no]"
read sensitive
[ sesnsitive = "yes" ] && sensitive="true" || sensitive="false"
echo "sensitive=$sensitive" >> config

echo "tags=nagato_yuki rating:safe" >> config
echo "img_dir=/tmp/imgbot" >> config

echo "\nAll done! You can now test if it works with './fedibooru.sh'"
echo "Don't forget to change the default tags and review your config in the 'config' file"
chmod +x ./fedibooru.sh