#!/usr/bin/env bash
# Identify duplicate and similar scripts
# Usage: ./scripts/identify-duplicates.sh

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
source "$SCRIPT_DIR/lib/logging.sh" 2>/dev/null || true

OUTPUT_FILE="${PROJECT_ROOT}/docs/00-meta/DUPLICATE_SCRIPTS_ANALYSIS.md"

log_header "Identifying Duplicate Scripts"

# Find scripts with same basename (exact duplicates)
log_info "Finding scripts with duplicate basenames..."
DUPLICATE_NAMES=$(find "$PROJECT_ROOT/scripts" -name "*.sh" -type f ! -path "*/node_modules/*" ! -path "*/.git/*" ! -path "*/archive/*" -exec basename {} \; | sort | uniq -d)

if [ -n "$DUPLICATE_NAMES" ]; then
    log_warn "Found scripts with duplicate names:"
    echo "$DUPLICATE_NAMES" | while read -r name; do
        echo "  - $name"
        find "$PROJECT_ROOT/scripts" -name "$name" ! -path "*/archive/*" | sed 's/^/    /'
    done
else
    log_success "No duplicate basenames found"
fi

# Find similar scripts by pattern
log_info "Finding similar scripts by pattern..."

cat > "$OUTPUT_FILE" <<EOF
# Duplicate Scripts Analysis

**Date:** $(date +%Y-%m-%d)  
**Purpose:** Identify duplicate and similar scripts for consolidation

---

## 1. Exact Duplicate Names

EOF

if [ -n "$DUPLICATE_NAMES" ]; then
    echo "$DUPLICATE_NAMES" | while read -r name; do
        echo "### $name" >> "$OUTPUT_FILE"
        find "$PROJECT_ROOT/scripts" -name "$name" ! -path "*/archive/*" | while read -r file; do
            size=$(wc -l < "$file" 2>/dev/null || echo 0)
            echo "- \`$file\` ($size lines)" >> "$OUTPUT_FILE"
        done
        echo "" >> "$OUTPUT_FILE"
    done
else
    echo "None found." >> "$OUTPUT_FILE"
fi

cat >> "$OUTPUT_FILE" <<EOF

---

## 2. Similar Functionality Groups

### Deployment Scripts
EOF

# Group deployment scripts
find "$PROJECT_ROOT/scripts" -name "deploy-*.sh" -type f ! -path "*/archive/*" | while read -r script; do
    lines=$(wc -l < "$script" 2>/dev/null || echo 0)
    echo "- \`$script\` ($lines lines)" >> "$OUTPUT_FILE"
done

cat >> "$OUTPUT_FILE" <<EOF

### Setup Scripts
EOF

find "$PROJECT_ROOT/scripts" -name "setup-*.sh" -type f ! -path "*/archive/*" | while read -r script; do
    lines=$(wc -l < "$script" 2>/dev/null || echo 0)
    echo "- \`$script\` ($lines lines)" >> "$OUTPUT_FILE"
done

cat >> "$OUTPUT_FILE" <<EOF

### Configuration Scripts
EOF

find "$PROJECT_ROOT/scripts" -name "configure-*.sh" -o -name "config-*.sh" -type f ! -path "*/archive/*" | while read -r script; do
    lines=$(wc -l < "$script" 2>/dev/null || echo 0)
    echo "- \`$script\` ($lines lines)" >> "$OUTPUT_FILE"
done

cat >> "$OUTPUT_FILE" <<EOF

### Fix Scripts
EOF

find "$PROJECT_ROOT/scripts" -name "fix-*.sh" -type f ! -path "*/archive/*" | head -20 | while read -r script; do
    lines=$(wc -l < "$script" 2>/dev/null || echo 0)
    echo "- \`$script\` ($lines lines)" >> "$OUTPUT_FILE"
done

log_success "Analysis complete: $OUTPUT_FILE"