#!/bin/bash
# DSS Full Reset Script
# Clears all DSS data, skins, tokens, and generated files
#
# Usage: scripts/dss-reset.sh [--confirm]
# Without --confirm, runs in dry-run mode showing what would be deleted

set -e

DSS_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$DSS_ROOT"

DRY_RUN=true
if [ "$1" = "--confirm" ]; then
  DRY_RUN=false
fi

echo "=========================================="
echo "  DSS Full Reset"
echo "=========================================="
echo ""

if [ "$DRY_RUN" = true ]; then
  echo "🔍 DRY RUN MODE - No changes will be made"
  echo "   Run with --confirm to execute reset"
  echo ""
fi

run_or_show() {
  if [ "$DRY_RUN" = true ]; then
    echo "  Would run: $*"
  else
    eval "$@"
  fi
}

# 1. Clear .dss/data/ (preserves .dss/config/ which is IMMUTABLE)
echo "1. Clearing .dss/data/ structure..."
echo "   (preserving .dss/config/ - Figma credentials)"
run_or_show "rm -rf .dss/data/projects/* .dss/data/teams/* .dss/data/_system/cache/* .dss/data/_system/activity/* 2>/dev/null || true"
run_or_show "rm -rf .dss/data/_system/tokens/* .dss/data/_system/themes/* .dss/data/_system/components/* 2>/dev/null || true"
run_or_show "mkdir -p .dss/data/{projects,teams,_system/{cache,activity,tokens,themes,components}}"

# 2. Reset database
echo "2. Resetting database..."
run_or_show "rm -f .dss/dss.db .dss/dss.db.old"

# 3. Remove admin-ui DSS CSS (keep non-dss files)
echo "3. Removing admin-ui DSS CSS files..."
run_or_show "rm -f admin-ui/css/dss-*.css"

# 4. Remove generated stories and components
echo "4. Removing generated stories and components..."
run_or_show "rm -f admin-ui/src/components/*.stories.js admin-ui/src/components/ds-*.js"

# 5. Reset core_tokens
echo "5. Resetting core_tokens..."
if [ "$DRY_RUN" = false ]; then
  cat > dss/core_tokens/tokens.json << 'EOF'
{
  "_meta": {
    "version": "1.0.0",
    "generated": null,
    "source": "awaiting Figma sync",
    "status": "empty"
  },
  "tokens": {}
}
EOF
else
  echo "  Would reset: dss/core_tokens/tokens.json"
fi

# 6. Reset skins to empty
echo "6. Resetting skins..."
for skin in base classic workbench; do
  if [ "$DRY_RUN" = false ]; then
    # Capitalize first letter for description
    skin_cap="$(echo "$skin" | sed 's/./\U&/')"
    if [ "$skin" = "base" ]; then
      cat > "dss-claude-plugin/core/skins/${skin}.json" << EOF
{
  "meta": {
    "id": "${skin}",
    "version": "1.0.0",
    "description": "${skin_cap} skin - awaiting Figma sync"
  },
  "tokens": {}
}
EOF
    else
      cat > "dss-claude-plugin/core/skins/${skin}.json" << EOF
{
  "meta": {
    "id": "${skin}",
    "version": "1.0.0",
    "description": "${skin_cap} skin - awaiting Figma sync",
    "extends": "base"
  },
  "tokens": {}
}
EOF
    fi
  else
    echo "  Would reset: dss-claude-plugin/core/skins/${skin}.json"
  fi
done

# 7. Clear caches and logs
echo "7. Clearing caches and logs..."
run_or_show "rm -f .dss/logs/*.jsonl 2>/dev/null || true"
run_or_show "rm -rf .dss/logs/browser-logs/* 2>/dev/null || true"
run_or_show "touch .dss/logs/dss-operations.jsonl .dss/logs/git-hooks.jsonl"

# 8. Regenerate hash manifest
echo "8. Regenerating hash manifest..."
if [ "$DRY_RUN" = false ]; then
  ./scripts/regenerate-core-hashes.sh
else
  echo "  Would run: ./scripts/regenerate-core-hashes.sh"
fi

# 9. Stop Storybook if running
echo "9. Stopping Storybook..."
run_or_show "pkill -f storybook 2>/dev/null || true"

echo ""
echo "=========================================="
if [ "$DRY_RUN" = true ]; then
  echo "  DRY RUN COMPLETE"
  echo "  Run with --confirm to execute"
else
  echo "  DSS RESET COMPLETE"
  echo "  Ready for fresh Figma sync"
fi
echo "=========================================="