#! /usr/bin/awk -f

BEGIN {
    aliases["@energy"]    = "bar_make_status_energy()"
    aliases["@memory"]    = "bar_make_status_mem()"
    aliases["@processes"] = "bar_make_status_procs()"
    aliases["@cpu"]       = "bar_make_status_cpu()"
    aliases["@disk"]      = "bar_make_status_disk()"
    aliases["@net"]       = "bar_make_status_net()"
    aliases["@bluetooth"] = "bar_make_status_bluetooth()"
    aliases["@backlight"] = "bar_make_status_screen_brightness()"
    aliases["@volume"]    = "bar_make_status_volume()"
    aliases["@mpd"]       = "bar_make_status_mpd()"
    aliases["@weather"]   = "bar_make_status_weather()"
    aliases["@datetime"]  = "bar_make_status_datetime()"
    out = "function bar_make_status(    position, bar, sep, i, j) {\n"
    n = split(Status_Bar, s, ",")
    for (i=1; i<=n; i++) {
        alias = s[i]
        function_call = aliases[alias]
        if (function_call) {
            out = out "        position[++i] = " function_call ";\n"
        } else {
            printf("Unexpected status bar component alias: \"%s\"\n", alias) \
                > "/dev/stderr"
            exit(1)
        }
    }
    out = out "\
        bar = \"\";\
        sep = \"\";\
        for (j = 1; j <= i; j++) {\
           bar = bar sep position[j];\
           sep = \" \";\
        }\
        return bar;\
    }";
    print out
}