#!/bin/bash

set -euo pipefail
IFS=$'\n\t'

DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

## This should be rarely if ever necessary, but here it is:
# source "$DIR/_wrflog.sh"
# wrflog before sourcing common funcs, I think i am in dir: $(pwd)
source "$DIR/_reformat-common.bash"

file="$1"
PROJECT_ROOT=$(project_root "$file")
export PROJECT_ROOT="$PROJECT_ROOT"
WF_ROOT=$(wf_root)
export WF_ROOT="$WF_ROOT"

## fixme use realpath or something on "$file"

file_type=$(sniff_file_type "$file")

export WOULD_REFORMAT=would_reformat

wrapper=$(choose_wrapper "$file_type")

set +e
out=$("$wrapper" "$file" 2>&1 >/dev/null)
retval="$?"
set -e

success_retval=0
would_reformat_retval=1
syntax_error_retval=2

if [[ "$retval" == "$success_retval" ]]; then
    echo -n "would not change"
    exit 0
elif [[ "$retval" == "$would_reformat_retval" ]]; then
    echo -n "would change"
    exit 1
elif [[ "$retval" == "$syntax_error_retval" ]]; then
    echo -n "syntax error"
    echo
    echo "$out"
    exit 2
else
    echo -n "problem running reformatter"

    exit 3
fi

echo -n "ok"
exit 0