Given the following log message for reference, create a set of commands $($grep and awk, or awk only$)$ to create a brief report containing the following fields:

Date $($field $1),$ Client IP $($field $6),$ Client Source Port $($field $8),$URI $($field $15)$

Filter criteria:

Filename: apache$2/$error$.$log$,$ Regular expression term: "Invalid URI"

Log Message:

$2021-10-13-19$:$02$:$14\mathrm{.}903229[$core:error$]$ pid: $4001$client: $167\mathrm{.}99\mathrm{.}133\mathrm{.}28$ Port:$53004$AH$00126$: Invalid URI in request GET $/$cgi$-$bin$/.\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/$etc$/$hosts

Resulting report for this message should be:

$2021-10-13-19$:$02$:$14\mathrm{.}903229,167\mathrm{.}99\mathrm{.}133\mathrm{.}28,53004,/$cgi$-$bin$/.\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/\%2$e$\%2$e$/$etc$/$hosts