#!/bin/sh
# Second probe: find where the pending-update record lives, what the real
# auto-update switch is, and whether /etc/hosts is honoured.
# Read-only: it changes nothing on the TV.
#
#   ssh root@<tv-ip> 'sh -s' < tools/tv-diag2.sh | tee tv-diag2.txt

section() { echo; echo "=================== $* ==================="; }
have() { command -v "$1" >/dev/null 2>&1; }
# luna-send writes progress chatter to stderr; keep only the payload
lsend() { luna-send -n 1 -t 5 -f "luna://$1" "$2" 2>/dev/null; }

section "is /etc/hosts actually honoured? (getaddrinfo, not DNS)"
for h in su.lge.com snu.lge.com nsu.lge.com su-ssl.lge.com; do
    echo "--- $h ---"
    ping -c 1 -W 3 "$h" 2>&1 | head -2
done
echo "--- can it still reach an update server over http? ---"
have wget && wget -q -T 5 -O - http://su.lge.com/ 2>&1 | head -c 200
echo

section "com.webos.service.update - what does it expose?"
grep -rl "com.webos.service.update" /usr/share/luna-service2/ 2>/dev/null | head -10
for f in $(grep -rl "com.webos.service.update" /usr/share/luna-service2/api-permissions.d/ 2>/dev/null | head -4); do
    echo "--- $f ---"
    head -c 1500 "$f"
    echo
done
echo "--- service file ---"
grep -rh "com.webos.service.update" /usr/share/luna-service2/services.d/ 2>/dev/null | head -10

section "com.webos.service.update - current state"
for m in getStatus getSettings getUpdateInfo getCurrentSWInformation getUpdateStatus checkUpdate; do
    echo "--- /$m ---"
    lsend "com.webos.service.update/$m" '{}' | head -c 700
    echo
done

section "settingsservice: every key mentioning update (via db8)"
lsend com.webos.service.db/find '{"query":{"from":"com.webos.settings.system:1"}}' |
    tr ',' '\n' | grep -i -E 'update|upgrade|firmware|ota|nsu|epk' | head -60
echo "--- same for the description kind (tells us allowed values) ---"
lsend com.webos.service.db/find '{"query":{"from":"com.webos.settings.desc.system:1"}}' |
    tr ',' '\n' | grep -i -E 'update|upgrade|firmware|ota|nsu' | head -60

section "settingsservice: direct reads"
for k in autoUpdate appUpdateMode swUpdateMode updateMode; do
    echo "--- option/$k ---"
    lsend com.webos.settingsservice/getSystemSettings "{\"category\":\"option\",\"keys\":[\"$k\"]}" | head -c 300
    echo
done
echo "--- no category, just the key ---"
lsend com.webos.settingsservice/getSystemSettings '{"keys":["autoUpdate","appUpdateMode"]}' | head -c 400
echo

section "luna preferences: full update-related keys"
for f in /var/luna/preferences/option /var/luna/preferences/general /var/luna/preferences/network; do
    [ -f "$f" ] || continue
    echo "--- $f ---"
    tr ',' '\n' < "$f" | grep -i -E 'update|upgrade|firmware|ota|nsu|epk'
done
echo "--- any other preference file with an update key ---"
for f in /var/luna/preferences/*; do
    [ -f "$f" ] || continue
    hits=$(tr ',' '\n' < "$f" 2>/dev/null | grep -i -E '"[a-z]*(update|upgrade|nsu)[a-z]*"' | head -5)
    [ -n "$hits" ] && { echo "--- $f ---"; echo "$hits"; }
done

section "where is the pending update recorded?"
echo "--- files under /mnt/lg mentioning swupdate/nsu/epk ---"
find /mnt/lg -maxdepth 3 -type f -size -2M 2>/dev/null |
    while read -r f; do
        if grep -l -i -E 'nsuimage|swupdate|epk_|otaVersion' "$f" >/dev/null 2>&1; then
            echo "$f ($(wc -c < "$f") bytes, $(date -r "$f" 2>/dev/null))"
        fi
    done | head -20
echo "--- update-ish paths anywhere under /mnt/lg and /var ---"
find /mnt/lg /var -maxdepth 4 \( -iname '*swupdate*' -o -iname '*nsu*' -o -iname '*otaid*' \) 2>/dev/null | head -30
echo "--- tvservice config dirs ---"
ls -la /mnt/lg/cmn_data/ 2>/dev/null | head -60

section "the popup at boot: full log window"
ls -la /var/log/ 2>/dev/null | head -20
echo "--- first 120 update/alert lines in the current log ---"
grep -i -E 'swupdate|softwareupdate|createAlert|notification|popup|otaid' /var/log/messages 2>/dev/null | head -120

section "who is running the updater"
ps 2>/dev/null | grep -i -E 'broadcast|update' | grep -v grep
echo "--- upstart job contents ---"
for j in /etc/init/update.conf /etc/init/software-update-complete.conf; do
    [ -f "$j" ] || continue
    echo "--- $j ---"
    cat "$j"
done
echo "--- are they actually stopped? ---"
initctl list 2>/dev/null | grep -i -E 'update|broadcast'

section "done"