#!/usr/bin/env bash
# logwisp file source pass-through test
#
#   file src (raw, from=start) --> raw format --> file sink   byte-exact relay
#   file src (defaults)        --> raw format --> file sink   no key dropped
#
# The fixture is a record whose envelope is wider than time/level/msg/fields,
# which is what the narrow JSON branch used to reduce to an empty message.
#
# Usage: ./passthrough-test.sh
# Requires: bash 5+, coreutils (timeout). Linux dev host only.

set -u

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BIN="${LOGWISP_BIN:-$SCRIPT_DIR/../bin/logwisp}"
RUN="$SCRIPT_DIR/run/passthrough"

[[ -x $BIN ]] || { echo "no binary at $BIN; run make build" >&2; exit 1; }

rm -rf "$RUN"
mkdir -p "$RUN/in" "$RUN/out-raw" "$RUN/out-parsed"

cat > "$RUN/in/wide.jsonl" <<'EOF'
{"time":"2026-09-08T21:35:44.178372768-04:00","level":"INFO","sub":"app","run":0,"tick":0,"frame":0,"fields":{"msg":"init begin","mode":"play"}}
{"time":"2026-09-08T21:35:44.178581366-04:00","level":"PROC","run":0,"tick":0,"frame":0,"fields":{"seq":1,"seed":1788917744178374836}}
plain text line, not JSON at all
EOF

conf() { # sink_dir raw
	cat <<EOF
quiet = true
status_reporter = false
[logging]
output = "stderr"
level = "error"
[[pipelines]]
name = "passthrough"
[pipelines.flow.format]
type = "raw"
sanitizer_policy = "raw"
[[pipelines.plugin_sources]]
id = "wide"
type = "file"
[pipelines.plugin_sources.config]
directory = "$RUN/in"
pattern = "*.jsonl"
raw = $2
from = "start"
[[pipelines.plugin_sinks]]
id = "out"
type = "file"
[pipelines.plugin_sinks.config]
directory = "$1"
name = "relay"
flush_interval_ms = 100
EOF
}

conf "$RUN/out-raw" true > "$RUN/raw.toml"
conf "$RUN/out-parsed" false > "$RUN/parsed.toml"

for c in raw parsed; do
	timeout 5 "$BIN" -c "$RUN/$c.toml" > "$RUN/$c.out" 2>&1
done

fail=0
check() { # label condition_result
	if (( $2 )); then echo "PASS: $1"; else echo "FAIL: $1"; fail=1; fi
}

# 1. raw = true relays the file byte for byte
if diff -q "$RUN/in/wide.jsonl" "$RUN/out-raw/relay.log" > /dev/null; then
	check "raw = true: output identical to input" 1
else
	check "raw = true: output identical to input" 0
	diff "$RUN/in/wide.jsonl" "$RUN/out-raw/relay.log" | head -6
fi

# 2. the default parse keeps every key, JSON branch refused on the wide envelope
n=$(grep -c '"sub":"app"' "$RUN/out-parsed/relay.log")
check "defaults: wide envelope reaches the sink whole ($n line(s) carry sub)" $(( n == 1 ))
n=$(grep -c '1788917744178374836' "$RUN/out-parsed/relay.log")
check "defaults: large integers are not re-encoded through float64 ($n)" $(( n == 1 ))

echo "================================================================"
if (( fail == 0 )); then
	echo "RESULT: ALL PASS"
else
	echo "RESULT: FAILURES — inspect $RUN/"
fi
exit "$fail"