#!/usr/bin/env sh

BASE="http://localhost:8008"
USERNAME="tt_user"
PASSWORD=$(json -e 'p@s$w0rd')

ENDPOINT="$1"

: "${METH:=GET}"

register_payload() {
    printf '{'
    printf '  "auth": {'
    printf '    "type": "m.login.dummy",'
    printf '    "session": %s' "$(json -e "$1")"
    printf '  },'
    printf '  "username": %s,' "$(json -e "$USERNAME")"
    printf '  "password": %s,' "$PASSWORD"
    printf '  "inhibit_login": true '
    printf '}'
}

login_payload() {
    printf '{'
    printf '  "identifier": {'
    printf '    "type": "m.id.user",'
    printf '    "user": %s' "$(json -e "$USERNAME")"
    printf '  },'
    printf '  "type": "m.login.password",'
    printf '  "password": %s' "$PASSWORD"
    printf '}'
}

# Check if user is available. If it is, register it.
user_available=$(http "$BASE/_matrix/client/v3/register/available?username=$USERNAME" | json -s "available")
if [ "$user_available" = "true" ]; then
    session=$(http -X POST -d '{}' "$BASE/_matrix/client/v3/register" | json -s "session->@decode")
    register_payload "$session" | http -X POST -d @- "$BASE/_matrix/client/v3/register" > /dev/null
fi

# Log in
RESPONSE=$(login_payload | http -X POST -d @- "$BASE/_matrix/client/v3/login")

ACCESS_TOKEN=$(echo "$RESPONSE" | json -s "access_token->@decode")

if [ -z "$ACCESS_TOKEN" ]; then
    echo "Failed to log in."
    echo "$RESPONSE" | json
    exit 1
fi

# Make request
if [ -n "$DATA" ]; then
    http -X "$METH" -d "$DATA" -H "Authorization: Bearer $ACCESS_TOKEN" "${BASE}${ENDPOINT}" | json
else
    http -X "$METH" -H "Authorization: Bearer $ACCESS_TOKEN" "${BASE}${ENDPOINT}" | json
fi

# Log out
http -X POST -H "Authorization: Bearer $ACCESS_TOKEN" \
    "$BASE/_matrix/client/v3/logout/all" > /dev/null