#!/usr/bin/env bash

set -e

. ./scripts/config.shlib

ON_ATTACH=${1:-false}

configfile="./scripts/updater-preferences"
BACKTRACEFILE=$(ls -t1 /tmp | grep "cathook-$USER-.*-segfault.log" |  head -n 1)
CATHOOK="./build/bin/libcathook.so"

# Test whether debug information is available for a given binary
has_debug_info() {
    readelf -S "$1" | grep -q " \(.debug_info\)\|\(.gnu_debuglink\) "
}

# Function to request permission on attach
function requestPermissions {
    # Prefer CLI
    if [ -t 0 ]; then
        read -p "New (possible) cathook crash report detected. Submit? y/n " -n 1 -r
        echo
        if ! [[ $REPLY =~ ^[Yy]$ ]]
        then
            exit
        fi
        # Fall back to gui
    elif [ -x "$(command -v zenity)" ] && xset q &>/dev/null; then
        zenity --no-wrap --question --text="New cathook crash report detected. Submit?"
        out=$?
        if [ "$out" != 0 ]; then
            exit
        fi
    else
        exit
    fi
}

if [ "$BACKTRACEFILE" == "" ] || [ "$(cfg_read "$configfile" backtrace_last)" == "$BACKTRACEFILE" ]; then
    if [ "$ON_ATTACH" == "false" ]; then
        echo "No (new) crash found."
    fi
    exit 0
fi

if [ "$ON_ATTACH" == "true" ] && [ "$(cfg_read "$configfile" update_channel)" == "developer" ]; then
    echo -e "\nRefusing to send crash report because cathook is in developer mode. Run ./report-crash to report the crash manually.\n"
    exit 0
fi

cfg_write "$configfile" backtrace_last "$BACKTRACEFILE"

cathookcrash=false
while read p; do
    lib="$(echo "$p" | cut -f 1)"
    if [ "$lib" = "cathook" ]; then
        cathookcrash=true
    fi
done < <(sed 1d "/tmp/$BACKTRACEFILE")

if [ "$ON_ATTACH" == "false" ]; then
    echo "$BACKTRACEFILE"
else
    requestPermissions
fi

if [ "$cathookcrash" == "false" ]; then
    echo "Crash was not a cathook crash!"
    exit 0
fi

echo "(Possible) cathook crash detected!"

SYMBOLS=true
has_debug_info "$CATHOOK" || SYMBOLS=false

if [ $SYMBOLS == false ]; then
    echo "No debug symbols detected!"
    proccount=$(grep -c '^processor' /proc/cpuinfo)
    pushd build
    cmake -DInternal_Symbolized=true .. && cmake --build . --target cathook -- -j$proccount
    popd
fi

SENTRY_DATA='{"release":"%s","exception":{"values":[{"type":"Crash report","value":"Crash on %s","stacktrace":{"frames":[%s]}}]}}'
BREADCRUMBS=''

append_crumb() {
    if [ "$BREADCRUMBS" != "" ]; then
        BREADCRUMBS=",$BREADCRUMBS"
    fi
    BREADCRUMBS="$1$BREADCRUMBS"
}

while read p; do
    lib="$(echo "$p" | cut -f 1)"
    addr="$(echo "$p" | cut -f 2)"
    if [ "$lib" = "cathook" ]; then
        while read function; do
            read addrandline
            echo "cathook $function $addrandline"
            FILE="$(realpath --relative-base="${PWD}" "$(echo $addrandline | cut -f 1 -d ":")")"
            LINE="$(echo $addrandline | cut -f 2 -d ":")"
            PREFIX="filename"
            IN_APP=true
            if [ "${FILE:0:1}" = "/" ]; then
                PREFIX="abs_path"
                IN_APP=false
            fi
            if [ "$function" == "critical_error_handler(int)" ]; then
                IN_APP=false
            fi
            append_crumb "$(printf '{"%s":"%s","lineno":"%s","package":"cathook","in_app":%s,"function":"%s"}' "$PREFIX" "$FILE" "$LINE" "$IN_APP" "${function//\"/\\\"}")"
        done < <(addr2line "$addr" -iCfe $CATHOOK)
    else
        echo $p
        append_crumb "$(printf '{"package":"%s","instruction_addr":"%s","in_app":false,"function":"%s"}' "$lib" "$addr" "$addr")"
    fi
done <"/tmp/$BACKTRACEFILE"

COMMIT="$(git log -1 --pretty="%h")"
FULL_COMMIT="$(git rev-parse HEAD)"

if [ "$ON_ATTACH" == "false" ]; then
    read -p "Do you want to submit this crash? y/n " -n 1 -r
    echo
else
    REPLY="y"
fi

if [[ $REPLY =~ ^[Yy]$ ]]
then
    curl --data "$(printf "$SENTRY_DATA" "$FULL_COMMIT" "$COMMIT" "$BREADCRUMBS")" \
         -H 'Content-Type: application/json' \
         "https://sentry.io/api/5220907/store/?sentry_version=7&sentry_key=44330b6a8c6b481c9fe02e261ca1d761&sentry_client=curl-bash/0.1"
    echo -e "\n"
    echo Thank you!
    echo 'Contact us about this and send us the id above: https://t.me/nullworks https://cathook.club/issues'
    echo
fi