#!/bin/bash

# convert https://us02web.zoom.us/j/1111111?pwd=xxxxxxxx (the URI you
# usually get)
#
# into zoommtg://zoom.us/join?confno=1111111&pwd=xxxxxxxx (the URI
# that the zoom client actually wants)

munge-zoom-uri() {
    local uri="$1"
    if [[ $uri =~ ^zoommtg://[^/]+/join ]]; then
        echo "$uri"
        return
    fi

    if [[ $uri =~ ^https?://([^/.]+\.)?zoom\.us/j/([0-9]+)$ ]]; then
        echo "zoommtg://zoom.us/join?confno=${BASH_REMATCH[2]}"
        return
    fi

    if [[ $uri =~ ^https?://([^/.]+\.)?zoom\.us/j/([0-9]+)\?pwd=(.+)$ ]]; then
        echo "zoommtg://zoom.us/join?confno=${BASH_REMATCH[2]}&pwd=${BASH_REMATCH[3]}"
        return
    fi

    if [[ $uri =~ ^https?://([^/.]+\.)?zoom\.us/w/([0-9]+)\?pwd=(.+)$ ]]; then
        echo "zoommtg://zoom.us/join?confno=${BASH_REMATCH[2]}&pwd=${BASH_REMATCH[3]}"
        return
    fi

    if [[ $uri =~ ^https?://([^/.]+\.)?zoom\.us/my/([a-zA-Z0-9]+)\?pwd=(.+)$ ]]; then
        echo "zoommtg://zoom.us/join?confno=${BASH_REMATCH[2]}&pwd=${BASH_REMATCH[3]}"
        return
    fi

    >&2 echo "can't parse <$uri>, ignoring";
    return
}

declare -a args
if [[ -n "$1" ]]; then
    args+=("$(munge-zoom-uri "$1")")
fi

exec /opt/zoom/ZoomLauncher "${args[@]}"