#!/bin/bash
# Test script for seq_compiler Gantt chart output

set -e  # Exit on error

# Arguments
SEQ_COMPILER=$1
INPUT_SEQ=$2
OUTPUT_GANTT=$3

if [ -z "$SEQ_COMPILER" ] || [ -z "$INPUT_SEQ" ] || [ -z "$OUTPUT_GANTT" ]; then
    echo "Usage: $0 <seq_compiler> <input.seq> <output_gantt.txt>"
    exit 1
fi

# Clean up any existing output
rm -f "$OUTPUT_GANTT"

# Run seq_compiler with Gantt output
"$SEQ_COMPILER" "$INPUT_SEQ" "--gantt=$OUTPUT_GANTT" > /dev/null 2>&1

# Check output file exists
if [ ! -f "$OUTPUT_GANTT" ]; then
    echo "ERROR: Gantt output file not created"
    exit 1
fi

# Verify key content exists
ERRORS=0

# Check for timeline header
if ! grep -q "Demo Timeline Gantt Chart" "$OUTPUT_GANTT"; then
    echo "ERROR: Missing 'Demo Timeline Gantt Chart' header"
    ERRORS=$((ERRORS + 1))
fi

# Check for BPM info
if ! grep -q "BPM:" "$OUTPUT_GANTT"; then
    echo "ERROR: Missing 'BPM:' information"
    ERRORS=$((ERRORS + 1))
fi

# Check for time axis
if ! grep -q "Time (s):" "$OUTPUT_GANTT"; then
    echo "ERROR: Missing 'Time (s):' axis"
    ERRORS=$((ERRORS + 1))
fi

# Check for sequence bars (should have '█' characters)
if ! grep -q "█" "$OUTPUT_GANTT"; then
    echo "ERROR: Missing sequence visualization bars"
    ERRORS=$((ERRORS + 1))
fi

# Check file is not empty
FILE_SIZE=$(wc -c < "$OUTPUT_GANTT")
if [ "$FILE_SIZE" -lt 100 ]; then
    echo "ERROR: Gantt output is too small ($FILE_SIZE bytes)"
    ERRORS=$((ERRORS + 1))
fi

if [ $ERRORS -eq 0 ]; then
    echo "✓ Gantt chart output test passed"
    exit 0
else
    echo "✗ Gantt chart output test failed ($ERRORS errors)"
    echo "--- Output file contents ---"
    cat "$OUTPUT_GANTT"
    exit 1
fi