#!/bin/bash

# Terminal colour codes
# when $TERM is empty (non-interactive shell), then expand tput with '-T xterm-256color'
[[ ${TERM}=="" ]] && TPUTTERM='-T dumb' \
                  || TPUTTERM=''

declare -r BOLD=`tput ${TPUTTERM} bold`
declare -r RED=`tput ${TPUTTERM} setaf 1`
declare -r PURPLE=`tput ${TPUTTERM} setaf 5`
declare -r WHITE=`tput ${TPUTTERM} setaf 7`
declare -r BLINK=`tput ${TPUTTERM} blink`
declare -r RST=`tput ${TPUTTERM} sgr0`

read CURRENT_LINES CURRENT <<< $(wc -l "tools/warnings_count/warnings_$1_current.txt")
read NEW_LINES NEW <<< $(wc -l "tools/warnings_count/warnings_$1_new.txt")

if [ $NEW_LINES -le $CURRENT_LINES ]
then
    echo "${BOLD}No new warnings added in $1, well done.${RST}
"
    exit 0
else
    CURRENT_NUM=$(grep -i 'warning' $CURRENT | wc -l)
    NEW_NUM=$(grep -i 'warning' $NEW | wc -l)
    EXTRA_NUM=$(( $NEW_NUM - $CURRENT_NUM ))

    echo "${BOLD}${RED}There are $EXTRA_NUM new warnings in $1, please fix them!${RST}
${BOLD}Current warnings:${RST}"
    cat $CURRENT
    echo "${BOLD}
Total current warnings: $CURRENT_NUM

New warnings:${RST}"
    cat "$NEW"
    echo "${BOLD}
Total new warnings: $NEW_NUM ${RED}
Total extra warnings: $EXTRA_NUM ${RST}
${BOLD}
If these warnings are needed to produce a matching build, run 'tools/warnings_count/update_current_warnings.sh' and commit the updated files in 'tools/warnings_count/'.${RST}"
    exit 1
fi