#!/usr/bin/env bash
# Execute script pruning - move obsolete scripts to archive
# Usage: ./scripts/prune-scripts-execute.sh [--dry-run]

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
DRY_RUN="${1:---dry-run}"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[✓]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[⚠]${NC} $1"; }
log_error() { echo -e "${RED}[✗]${NC} $1"; }

ARCHIVE_DIR="$PROJECT_ROOT/scripts/archive"
mkdir -p "$ARCHIVE_DIR"/{deprecated,backups,test,duplicates,experimental}

# Test scripts - move to archive/test
log_info "Identifying test scripts..."
TEST_SCRIPTS=$(find "$PROJECT_ROOT/scripts" -name "*test*.sh" -type f ! -path "*/node_modules/*" ! -path "*/.git/*" ! -path "*/archive/*" | grep -v "test-all\|test-suite\|integration-test" || true)

# Backup/old scripts - move to archive/backups
log_info "Identifying backup/old scripts..."
BACKUP_SCRIPTS=$(find "$PROJECT_ROOT/scripts" -type f ! -path "*/node_modules/*" ! -path "*/.git/*" ! -path "*/archive/*" \( -iname "*backup*.sh" -o -iname "*old*.sh" -o -iname "*temp*.sh" -o -iname "*deprecated*.sh" \) || true)

# Small scripts (< 10 lines) - review
log_info "Identifying small scripts..."
SMALL_SCRIPTS=$(find "$PROJECT_ROOT/scripts" -name "*.sh" -type f ! -path "*/node_modules/*" ! -path "*/.git/*" ! -path "*/archive/*" -exec sh -c 'file="$1"; lines=$(wc -l < "$file" 2>/dev/null || echo 0); if [ "$lines" -lt 10 ] && [ "$lines" -gt 0 ]; then echo "$file"; fi' _ {} \; || true)

# Count candidates
TEST_COUNT=$(echo "$TEST_SCRIPTS" | grep -c . || echo 0)
BACKUP_COUNT=$(echo "$BACKUP_SCRIPTS" | grep -c . || echo 0)
SMALL_COUNT=$(echo "$SMALL_SCRIPTS" | grep -c . || echo 0)

log_info "Found candidates:"
echo "  - Test scripts: $TEST_COUNT"
echo "  - Backup/old scripts: $BACKUP_COUNT"
echo "  - Small scripts: $SMALL_COUNT"
echo "  - Total: $((TEST_COUNT + BACKUP_COUNT + SMALL_COUNT))"
echo ""

if [[ "$DRY_RUN" != "--execute" ]]; then
    log_warn "DRY RUN MODE - No files will be moved"
    log_info "Use --execute to actually move files"
    echo ""
    
    log_info "Test scripts to archive:"
    echo "$TEST_SCRIPTS" | head -10 | while read -r script; do
        echo "  → archive/test/$(basename "$script")"
    done
    if [ "$TEST_COUNT" -gt 10 ]; then
        echo "  ... and $((TEST_COUNT - 10)) more"
    fi
    echo ""
    
    log_info "Backup/old scripts to archive:"
    echo "$BACKUP_SCRIPTS" | head -10 | while read -r script; do
        echo "  → archive/backups/$(basename "$script")"
    done
    if [ "$BACKUP_COUNT" -gt 10 ]; then
        echo "  ... and $((BACKUP_COUNT - 10)) more"
    fi
    echo ""
    
    log_info "Small scripts to review:"
    echo "$SMALL_SCRIPTS" | while read -r script; do
        lines=$(wc -l < "$script" 2>/dev/null || echo 0)
        echo "  → $script ($lines lines) - REVIEW"
    done
    echo ""
    
    log_warn "Run with --execute to move files"
    exit 0
fi

# Execute moves
log_info "Moving scripts to archive..."
moved=0
failed=0

# Move test scripts
if [ "$TEST_COUNT" -gt 0 ]; then
    echo "$TEST_SCRIPTS" | while read -r script; do
        if [ -f "$script" ]; then
            dest="$ARCHIVE_DIR/test/$(basename "$script")"
            if mv "$script" "$dest" 2>/dev/null; then
                log_success "Moved: $(basename "$script")"
                moved=$((moved + 1))
            else
                log_error "Failed: $(basename "$script")"
                failed=$((failed + 1))
            fi
        fi
    done
fi

# Move backup/old scripts
if [ "$BACKUP_COUNT" -gt 0 ]; then
    echo "$BACKUP_SCRIPTS" | while read -r script; do
        if [ -f "$script" ]; then
            dest="$ARCHIVE_DIR/backups/$(basename "$script")"
            if mv "$script" "$dest" 2>/dev/null; then
                log_success "Moved: $(basename "$script")"
                moved=$((moved + 1))
            else
                log_error "Failed: $(basename "$script")"
                failed=$((failed + 1))
            fi
        fi
    done
fi

log_success "Pruning complete!"
echo "  Moved: $moved"
echo "  Failed: $failed"