#!/usr/bin/env bash

set -u

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
DURATION="${1:-${QS_SMOKE_DURATION:-10}}"
QML_IMPORT_PATH="${QML_IMPORT_PATH:-$ROOT/build/qml}"

if [ ! -d "$QML_IMPORT_PATH/ZShell" ]; then
	echo "error: no ZShell plugin at $QML_IMPORT_PATH/ZShell"
	echo "build the project first: cmake --build build"
	exit 2
fi

OUT="$(mktemp /tmp/zshell-smoke.XXXXXX)"
trap 'rm -f "$OUT"' EXIT

echo "booting shell for ${DURATION}s (a second bar will be visible)"
env QT_QPA_PLATFORM=wayland QML_IMPORT_PATH="$QML_IMPORT_PATH" \
	qs --no-color -p "$ROOT/shell.qml" >"$OUT" 2>&1 &
CLI_PID=$!

IID=""
for _ in $(seq 1 100); do
	IID="$(sed -nE 's|.*by-id/([a-z0-9]+)/log\.qslog.*|\1|p' "$OUT" | head -1)"
	[ -n "$IID" ] && break
	kill -0 "$CLI_PID" 2>/dev/null || break
	sleep 0.2
done

if [ -z "$IID" ]; then
	echo "FAIL: shell did not start"
	cat "$OUT"
	exit 2
fi

sleep "$DURATION"

qs kill -i "$IID" >/dev/null 2>&1
if qs list --all 2>/dev/null | grep -q "Instance $IID"; then
	PID="$(qs list --all 2>/dev/null | awk -v id="$IID" '
		/^Instance /{cur = $2}
		cur == id && /Process ID:/{print $3}')"
	[ -n "$PID" ] && kill "$PID" 2>/dev/null
fi
wait "$CLI_PID" 2>/dev/null

ERRORS="$(grep -aE '^[[:space:]]*ERROR' "$OUT" || true)"
if [ -n "$ERRORS" ]; then
	echo
	echo "FAIL: QML errors detected"
	echo "$ERRORS"
	exit 1
fi

WARNINGS="$(grep -aE '^[[:space:]]*WARN' "$OUT" | sed -E 's/^[[:space:]]*WARN[[:space:]]*//' | sort | uniq -c | sort -rn || true)"
echo
if [ -n "$WARNINGS" ]; then
	echo "PASS: no errors (${DURATION}s boot). Non-fatal warnings:"
	echo "$WARNINGS"
else
	echo "PASS: no errors or warnings (${DURATION}s boot)."
fi
exit 0