wp-bnb/CHANGELOG.md

# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.11.1] - 2026-02-03

### Added

- Internationalization (i18n) support:
  - Translation template file `languages/wp-bnb.pot` with 1,140 translatable strings
  - German (Switzerland) translation `languages/wp-bnb-de_CH.po` with 77% coverage (875 strings)
  - Compiled binary `languages/wp-bnb-de_CH.mo` for WordPress use
  - Coverage includes: admin UI, post types, taxonomies, settings, dashboard, reports, REST API, WooCommerce, CF7, widgets, blocks, shortcodes

### Changed

- README.md updated with comprehensive WooCommerce integration documentation
- Added REST API to key features list in README

## [0.11.0] - 2026-02-03

### Added

- WooCommerce Integration System:
  - New `src/Integration/WooCommerce/` directory with complete integration
  - `Manager.php` - Core integration manager with HPOS compatibility declaration
  - `ProductSync.php` - Room-to-WooCommerce-product synchronization
  - `CartHandler.php` - Cart item data, availability validation, dynamic pricing
  - `CheckoutHandler.php` - Checkout field customization and pre-fill
  - `OrderHandler.php` - Booking creation on payment completion
  - `InvoiceGenerator.php` - PDF invoice generation using mPDF
  - `RefundHandler.php` - Booking cancellation on full refund
  - `AdminColumns.php` - Admin list cross-links between bookings and orders
- Product Synchronization:
  - Virtual WooCommerce products created for rooms (SKU: `bnb-room-{id}`)
  - Auto-sync on room save, delete on room deletion
  - Manual "Sync All Rooms" button in settings
  - Bidirectional meta linking (room ↔ product)
- Cart & Checkout:
  - Booking data stored in cart items (room, dates, guests, services)
  - Availability validation before add-to-cart and at checkout
  - Dynamic price calculation based on dates and services
  - Cart item display shows booking details (dates, guests, nights)
  - Special requests and arrival time fields at checkout
  - Booking summary display in checkout and order received page
- Order & Booking Integration:
  - Automatic booking creation on `woocommerce_payment_complete`
  - Guest record creation from order billing info
  - Bidirectional order-booking links via meta keys
  - Status synchronization (WC status → Booking status mapping)
  - Booking reference generation (BNB-YYYY-NNNNN)
- Invoice Generation:
  - PDF invoices using existing mPDF dependency
  - Invoice numbering with configurable prefix and start number
  - Auto-attach invoices to WooCommerce order emails
  - Download invoice button in admin order actions
  - Secure storage in `wp-content/uploads/wp-bnb-invoices/`
- Refund Handling:
  - Full refund triggers booking cancellation
  - Partial refund stores amount in booking meta without cancellation
  - Refund info displayed in booking admin
  - `wp_bnb_wc_should_cancel_on_refund` filter for customization
- Admin Enhancements:
  - "WC Order" column in bookings list with order link and status
  - "Booking" column in WC orders list with dates and status
  - Row actions for cross-navigation between bookings and orders
  - HPOS (High-Performance Order Storage) support
- WooCommerce Settings Tab with Subtabs:
  - General: Enable integration, auto-confirm on payment, WC status indicator
  - Products: Auto-sync toggle, product category selection, sync button
  - Orders: Status mapping reference table
  - Invoices: Auto-attach, prefix, starting number, logo, footer text
- Frontend Assets:
  - `assets/css/wc-integration.css` - Cart, checkout, and booking form styles
  - `assets/js/wc-integration.js` - Booking form handler, AJAX operations

### Changed

- Plugin.php updated to initialize WooCommerce integration when WC is active
- Settings page now has eight tabs: General, Pricing, License, Updates, Metrics, API, WooCommerce
- HPOS compatibility declared via `FeaturesUtil::declare_compatibility()`

### Security

- Invoice storage protected with .htaccess (deny all)
- Nonce verification on all AJAX operations
- Capability checks for admin actions
- HPOS-compatible meta access using `$order->get_meta()` / `$order->update_meta_data()`

## [0.10.1] - 2026-02-03

### Added

- API Settings subtabs for better organization:
  - General subtab: Enable/disable REST API, rate limiting toggle, API information
  - Rate Limits subtab: Configurable time window and endpoint-specific limits
  - Endpoints subtab: Full endpoint documentation with HTTP method badges
- Configurable rate limiting:
  - Time window setting (10-300 seconds, default 60)
  - Per-endpoint-type limits (public, availability, booking, admin)
  - Settings stored in WordPress options with fallback defaults

### Changed

- RateLimiter class now loads limits from WordPress options
- README updated with configurable rate limiting documentation

## [0.10.0] - 2026-02-03

### Added

- REST API Infrastructure:
  - New `src/Api/` directory with complete REST API implementation
  - `ResponseFormatter.php` - Standardized response formatting (success, collection, error responses)
  - `RateLimiter.php` - Transient-based rate limiting with tiered limits
  - `Controllers/AbstractController.php` - Base controller with common functionality
  - `RestApi.php` - Main registration class with namespace `wp-bnb/v1`
- Buildings API:
  - `GET /wp-bnb/v1/buildings` - List buildings with pagination and search
  - `GET /wp-bnb/v1/buildings/{id}` - Get single building with address, contact, details
  - `GET /wp-bnb/v1/buildings/{id}/rooms` - Get rooms in a building with status filter
- Rooms API:
  - `GET /wp-bnb/v1/rooms` - List rooms with filters (building, room_type, amenities, capacity, status)
  - `GET /wp-bnb/v1/rooms/{id}` - Get room details with gallery, pricing, amenities
  - `GET /wp-bnb/v1/rooms/{id}/availability` - Check availability with price calculation
  - `GET /wp-bnb/v1/rooms/{id}/calendar` - Get monthly calendar data
  - `POST /wp-bnb/v1/availability/search` - Search available rooms by date range and criteria
- Bookings API:
  - `POST /wp-bnb/v1/bookings` - Create booking (public, creates pending status)
  - `GET /wp-bnb/v1/bookings` - List bookings with filters (admin)
  - `GET /wp-bnb/v1/bookings/{id}` - Get booking details (admin)
  - `PATCH /wp-bnb/v1/bookings/{id}` - Update booking (admin)
  - `DELETE /wp-bnb/v1/bookings/{id}` - Cancel booking (admin)
  - `POST /wp-bnb/v1/bookings/{id}/confirm` - Confirm pending booking (admin)
  - `POST /wp-bnb/v1/bookings/{id}/check-in` - Check in guest (admin)
  - `POST /wp-bnb/v1/bookings/{id}/check-out` - Check out guest (admin)
- Guests API (admin only):
  - `GET /wp-bnb/v1/guests` - List guests with pagination
  - `GET /wp-bnb/v1/guests/{id}` - Get guest details (excludes encrypted ID numbers)
  - `GET /wp-bnb/v1/guests/search` - Search guests by name/email
  - `GET /wp-bnb/v1/guests/{id}/bookings` - Get guest's booking history
- Services API:
  - `GET /wp-bnb/v1/services` - List active services with categories
  - `GET /wp-bnb/v1/services/{id}` - Get service details with pricing info
  - `POST /wp-bnb/v1/services/{id}/calculate` - Calculate service price for booking
- Pricing API:
  - `POST /wp-bnb/v1/pricing/calculate` - Full price calculation with services
  - `GET /wp-bnb/v1/pricing/seasons` - Get configured seasons and pricing modifiers
- API Settings tab in plugin settings:
  - Enable/disable REST API toggle
  - Enable/disable rate limiting toggle
  - Endpoint documentation table
  - Authentication instructions

### Changed

- Plugin.php updated to initialize REST API on `rest_api_init` hook
- Settings page now has seven tabs: General, Pricing, License, Updates, Metrics, API
- README.md updated with comprehensive REST API documentation

### Security

- Rate limiting: public (60/min), availability (30/min), booking (10/min), admin (120/min)
- Admin endpoints require `edit_posts` capability
- Supports WordPress Application Passwords for external API access
- Client identification by user ID (authenticated) or IP address (anonymous)
- Proxy/Cloudflare IP detection via X-Forwarded-For and CF-Connecting-IP headers

## [0.9.0] - 2026-02-03

### Added

- Prometheus Metrics Integration:
  - New `src/Integration/Prometheus.php` class for metrics collection
  - Integration with wp-prometheus plugin via `wp_prometheus_collect_metrics` hook
  - Inventory metrics: buildings total, rooms by status, services by status
  - Booking metrics: bookings by status, check-ins/check-outs today, upcoming 7 days, avg duration
  - Guest metrics: total guests, guests by status, repeat guests, new guests this month
  - Occupancy metrics: current rate, monthly rate, occupied rooms, total bed capacity
  - Revenue metrics: this month, YTD, average booking value, services revenue
- Grafana Dashboard:
  - Pre-configured dashboard at `assets/grafana/wp-bnb-dashboard.json`
  - Automatic registration with wp-prometheus dashboard provider
  - Occupancy gauges with color-coded thresholds
  - Pie charts for bookings, rooms, and guests by status
  - Revenue and guest statistics panels
  - Responsive grid layout with 24 panels
- Settings page Metrics tab:
  - Enable/disable metrics collection toggle
  - WP Prometheus detection with status indicator
  - Complete metrics reference table
  - Dashboard file location and export info

### Changed

- Plugin.php updated to initialize Prometheus integration
- Settings page now has six tabs: General, Pricing, License, Updates, Metrics

## [0.8.0] - 2026-02-03

### Added

- Admin Dashboard with comprehensive statistics:
  - Occupancy overview card with current rate and comparison to last month
  - Revenue summary card with this month, YTD, and comparison
  - Bookings stat card with pending/confirmed counts
  - Guests stat card with total, new, and repeat counts
  - Today's Activity widget showing check-ins and check-outs
  - Upcoming Bookings widget (next 7 days)
  - Quick Actions widget for common tasks
  - Chart.js integration for visual trend charts:
    - Occupancy trend line chart (30 days)
    - Revenue trend bar chart (6 months)
- Reports page with three report types:
  - Occupancy Report: by room, by building, with progress bars
  - Revenue Report: by room, by pricing tier, with averages
  - Guest Statistics: top guests, nationality breakdown
  - Date range filters (this month, last month, this year, custom)
- Export functionality:
  - CSV export for all report types (native PHP)
  - PDF export using mPDF library with professional styling
- New Composer dependency: mpdf/mpdf ^8.2 for PDF generation
- Dashboard and Reports CSS styles in admin.css (~350 lines)
- JavaScript chart initialization and report page handlers

### Changed

- Dashboard now uses dedicated `src/Admin/Dashboard.php` class
- Admin menu now includes Reports submenu item
- Asset enqueuing conditionally loads Chart.js on dashboard page

## [0.7.2] - 2026-02-03

### Fixed

- CF7 tag generator buttons not appearing in admin form editor
  - Moved CF7 initialization from frontend-only to run in both admin and frontend contexts
  - Tag generators now properly register via `wpcf7_admin_init` hook

## [0.7.1] - 2026-02-03

### Added

- CF7 Admin Tag Generator buttons:
  - Tag generator buttons appear in CF7 form editor for all WP BnB custom tags
  - BnB Building select with first option label configuration
  - BnB Room select with building field linking and price display options
  - BnB Check-in date with min/max advance booking days
  - BnB Check-out date with check-in field linking and min/max nights
  - BnB Guests count with room field linking and min/max/default values
  - All generators support id and class attribute configuration

## [0.7.0] - 2026-02-03

### Added

- Contact Form 7 Integration:
  - New `src/Integration/CF7.php` class for CF7 integration
  - Custom form tags: `[bnb_building_select]`, `[bnb_room_select]`, `[bnb_date_checkin]`, `[bnb_date_checkout]`, `[bnb_guests]`
  - Server-side validation for all custom tags
  - Availability checking before form submission
  - Automatic booking creation on form submission with 'pending' status
  - Guest record creation/linking using existing `find_or_create_guest` pattern
  - Price calculation using existing Calculator class
  - Email notifications via existing EmailNotifier
- CF7 Frontend Assets:
  - `assets/js/cf7-integration.js` for dynamic form behavior
  - Building-based room filtering
  - Date linking (checkout min = checkin + 1)
  - Capacity validation against selected room
  - AJAX availability checking with status display
  - Dynamic price calculation display
  - `assets/css/cf7-integration.css` for form styling
  - Availability status indicators (checking/available/unavailable)
  - Price display formatting
  - Capacity warning styling
  - Responsive design with dark mode support
- Custom CF7 Mail Tags:
  - `[_bnb_booking_reference]` - Generated booking reference
  - `[_bnb_booking_id]` - Booking post ID
  - `[_bnb_room_name]` - Selected room title
  - `[_bnb_calculated_price]` - Formatted price
  - `[_bnb_nights]` - Number of nights
- Form Type Detection:
  - Auto-detects booking forms by presence of `[bnb_room_select]`, `[bnb_date_checkin]`, `[bnb_date_checkout]`
  - CSS class `wp-bnb-booking-form` for explicit form type declaration
  - Inquiry forms use default CF7 email handling without booking creation

### Changed

- Plugin.php updated to conditionally initialize CF7 integration when CF7 is active
- Frontend assets now include CF7-specific CSS and JavaScript when CF7 is detected

### Dependencies

- Contact Form 7 plugin required for CF7 integration features (optional)

## [0.6.1] - 2026-02-03

### Added

- Auto-Update System:
  - New `src/License/Updater.php` class for WordPress update integration
  - Hooks into `pre_set_site_transient_update_plugins` for update detection
  - Plugin info modal via `plugins_api` filter
  - Configurable update check frequency (1-168 hours)
  - Option to enable/disable update notifications
  - Option to enable/disable automatic updates
  - AJAX endpoint for manual update check
  - Automatic cache clearing when license settings change
- Updates Tab in Settings:
  - Enable/disable update notifications toggle
  - Enable/disable automatic updates toggle
  - Update check frequency setting
  - Manual "Check for Updates" button
  - Display of last check timestamp and current version
- Localhost Development Mode:
  - License bypass for local development environments
  - Detects: localhost, 127.0.0.1, ::1, .local/.test/.localhost/.dev/.ddev.site domains
  - Private IP range detection (10.x.x.x, 172.16-31.x.x, 192.168.x.x)
  - "Development Mode" notice on Dashboard and License settings page
- Extended General Settings:
  - Business address fields (street, city, postal code, country)
  - Contact fields (email, phone, website)
  - Social media fields (Facebook, Instagram, X/Twitter, LinkedIn, TripAdvisor)
- Pricing Settings Subtabs:
  - Split into three subtabs: Pricing Tiers, Weekend Days, Seasons
  - Each subtab has its own save button
  - Seasons subtab shows priority column and link to Seasons Manager
- Guest Data Encryption:
  - AES-256-CBC encryption for sensitive data (ID/passport numbers)
  - Uses WordPress AUTH_KEY for encryption key derivation
  - `encrypt()` and `decrypt()` methods in Guest class
  - Backward compatible with legacy unencrypted data
  - Security notice displayed in Identification meta box
- Guest Auto-Creation from Booking:
  - When new guest data is entered in booking form, guest record is automatically created
  - Links booking to the new guest via guest_id meta
  - Prevents duplicate guest entries

### Changed

- Admin submenu reordered for better organization:
  - Dashboard at top, Settings at bottom
  - Logical grouping: Buildings, Rooms, Bookings, Guests, Services, Calendar, Seasons
- Booking title auto-generates with guest name and dates (room number removed)
- Disabled Gutenberg block editor for form-based post types:
  - Service, Guest, and Booking now use classic editor
  - Meta boxes display properly instead of being hidden at bottom
  - Form-based interfaces more appropriate than block editor for data entry
- Settings tabs now flush with tab content (no gap)

### Fixed

- Fixed Booking admin issues with auto-draft status causing type errors
- Fixed guest dropdown to always load existing guests
- Fixed booking history display on Guest edit page
- Fixed service pricing meta box not displaying radio buttons (Gutenberg hiding meta boxes)

### Security

- Guest ID/passport numbers encrypted at rest using AES-256-CBC
- Random IV generation for each encryption operation
- Secure key derivation from WordPress AUTH_KEY

## [0.6.0] - 2026-02-02

### Added

- Frontend Features System:
  - Room search with multiple filters (availability, capacity, room type, amenities, price range, building)
  - AJAX-powered search with pagination and "Load More" functionality
  - Date validation (check-out after check-in, minimum today)
  - Real-time availability checking on single room pages
  - Price calculator with breakdown display
- Shortcodes:
  - `[bnb_buildings]` - Display buildings list/grid with filtering and sorting
  - `[bnb_rooms]` - Display rooms list/grid with multiple filter options
  - `[bnb_room_search]` - Interactive room search form with results
  - `[bnb_building id="X"]` - Display single building details
  - `[bnb_room id="X"]` - Display single room details with availability form
- WordPress Widgets:
  - Similar Rooms widget (shows rooms from same building/type)
  - Building Rooms widget (lists all rooms in a building)
  - Availability Calendar widget (mini calendar with booking status)
- Gutenberg Blocks:
  - Building block with ID selector
  - Room block with ID selector
  - Room Search block with filter presets
  - Buildings List block with layout options
  - Rooms List block with filter options
  - Server-side rendered blocks for consistent output
- Frontend Search Class (`src/Frontend/Search.php`):
  - Core search functionality with availability filtering
  - Price range filtering with Calculator integration
  - Pagination support
  - AJAX endpoints: search_rooms, get_availability, get_calendar, calculate_price
  - Room data formatting for JSON responses
- Frontend Shortcodes Class (`src/Frontend/Shortcodes.php`):
  - All shortcode registration and handlers
  - Grid/list layout support
  - Column configuration (1-4 columns)
  - Sorting options (title, date, price, capacity)
  - Limit and offset support
- Block Registrar Class (`src/Blocks/BlockRegistrar.php`):
  - Gutenberg block registration
  - Block editor assets (CSS/JS)
  - Server-side render callbacks
  - Block data localization for editor
- Frontend Assets:
  - Comprehensive CSS with CSS custom properties for theming
  - Building and room card styles
  - Search form and results styling
  - Calendar widget styling with availability states
  - Responsive design (breakpoints: 480px, 768px, 1024px)
  - JavaScript with SearchForm, CalendarWidget, AvailabilityForm, PriceCalculator classes
  - AJAX integration with proper error handling
  - XSS-safe DOM construction (no innerHTML with user data)

### Changed

- Plugin.php updated with frontend component initialization
- Frontend assets now include localized script data with AJAX URL, nonce, and i18n strings
- Widget registration added to init_frontend() method
- Search, Shortcodes, and BlockRegistrar initialized when license is valid

### Security

- AJAX nonce verification on all frontend requests
- Input sanitization on all search parameters
- Output escaping in shortcode and widget templates
- XSS prevention in JavaScript (textContent instead of innerHTML)

## [0.5.0] - 2026-01-31

### Added

- Additional Services System:
  - Custom Post Type: Services (`bnb_service`)
  - Service pricing types: Included (free), Per Booking (one-time), Per Night
  - Service configuration: price, status, sort order, max quantity
  - Custom admin columns with pricing type icons and status badges
  - Filters by status and pricing type
  - Service data helper methods for pricing calculations
- Service Categories Taxonomy (`bnb_service_category`)
  - Non-hierarchical (tag-like) structure
  - Icon selection per category
  - Sort order for custom ordering
  - Default categories: Food & Dining, Transportation, Wellness & Spa, Activities, Housekeeping
- Booking-Services Integration:
  - Services meta box in Booking edit screen
  - Checkbox-based service selection
  - Quantity input for services with max_quantity > 1
  - Real-time price calculation per service based on nights
  - Services total display
  - Price breakdown shows services cost
  - Grand total (room + services) in admin list and pricing meta box
- Admin UI Enhancements:
  - Service selector with pricing type indicators
  - Included services badge
  - Per-night price suffix display
  - Service line totals with quantity support
  - Services total summary in booking
  - CSS styles for all service-related components
  - JavaScript for dynamic service pricing calculations

### Changed

- Plugin.php updated to register Service CPT and ServiceCategory taxonomy
- Admin assets enqueued for Service post type screens
- Booking admin list shows total price including services
- Booking pricing meta box displays services breakdown and grand total
- Admin JavaScript extended with service pricing and selection logic
- Admin CSS includes comprehensive service styling

## [0.4.0] - 2026-01-31

### Added

- Guest Management System with dedicated CPT:
  - Custom Post Type: Guests (`bnb_guest`)
  - Personal information fields (name, email, phone, DOB, nationality)
  - Address fields (street, city, postal code, country)
  - Identification fields (ID type, number, expiry date)
  - Guest status tracking (active, inactive, blocked)
  - Internal notes and preferences
  - GDPR consent tracking (marketing, data processing, consent date)
  - Booking history display with statistics
  - Helper methods: `get_by_email()`, `get_bookings()`, `get_booking_count()`, `get_total_spent()`, `get_full_name()`, `get_formatted_address()`
- Guest-Booking Integration:
  - Guest search by email/name with AJAX autocomplete
  - Link existing guests to bookings
  - Create new guests from booking form
  - Guest profile link in booking admin
  - Automatic guest data sync when linked
  - Backward compatibility for legacy bookings without guest_id
- GDPR/Privacy Compliance (`src/Privacy/Manager.php`):
  - WordPress Privacy API integration
  - Personal data exporter (guest profile + booking history)
  - Personal data eraser with anonymization option
  - Privacy policy content suggestion
  - Support for WordPress Tools > Export/Erase Personal Data
  - Guest anonymization (replaces PII with placeholder data)
  - Booking anonymization for connected bookings
- Email Notifier Enhancements:
  - Guest data retrieval from Guest CPT when available
  - Fallback to booking meta for legacy bookings
  - New placeholders: `{guest_first_name}`, `{guest_last_name}`, `{guest_full_address}`
- Admin UI Styles:
  - Guest search container and results styling
  - Linked guest display card
  - Booking history table in Guest
  - Consent status indicators
  - Guest status badges
  - Privacy action buttons
  - Anonymized data display

### Changed

- Booking meta box updated with guest search/link functionality
- Plugin.php now initializes Guest CPT and Privacy Manager
- Admin JavaScript includes guest search with debounce
- Admin CSS extended with Guest and Privacy styles

### Security

- Guest email used as unique identifier for deduplication
- GDPR-compliant data export and erasure
- Consent tracking with timestamps
- Anonymization preserves booking records while removing PII
- AJAX endpoints secured with nonce verification

## [0.3.0] - 2026-01-31

### Added

- Booking System with full management features:
  - Custom Post Type: Bookings (`bnb_booking`)
  - Room and guest relationship tracking
  - Check-in/check-out date management
  - Booking status workflow (pending, confirmed, checked_in, checked_out, cancelled)
  - Status transitions with validation
  - Automatic price calculation using existing Calculator
  - Price override option for manual adjustments
  - Guest information storage (name, email, phone, notes)
  - Guest count tracking (adults, children)
  - Internal notes field for staff
  - Auto-generated booking references (BNB-YYYY-NNNNN)
- Availability System (`src/Booking/Availability.php`)
  - Real-time availability checking
  - Conflict detection for overlapping bookings
  - AJAX endpoint for instant availability validation
  - Calendar data generation for rooms and buildings
  - Support for excluding booking from conflict check (for editing)
  - Utility methods: get upcoming bookings, current bookings, today's check-ins/outs
- Calendar Admin Page (WP BnB > Calendar)
  - Monthly calendar view with availability visualization
  - Room and building filter dropdowns
  - Color-coded booking status display
  - Month navigation (previous/next/today)
  - Click-to-edit booking functionality
  - Hover tooltips with booking details
  - Legend for status colors
  - Single room and multi-room views
- Email Notifications (`src/Booking/EmailNotifier.php`)
  - Admin notification for new bookings
  - Guest confirmation email on booking confirmation
  - Admin notification on booking confirmation
  - Cancellation emails to guest and admin
  - HTML email templates with styling
  - Placeholder-based template system
  - Filter hooks for customizing recipients, subject, and content
- Booking Admin List Enhancements
  - Custom columns: room, guest, dates, nights, price, status
  - Status badges with color coding
  - Filter by room and status
  - Sortable columns for dates, guest, status
  - Price override indicator
- Booking Meta Boxes
  - Room & Dates: room selection, date pickers, nights display, availability check
  - Guest Information: contact details, guest count, notes
  - Pricing: calculated price, breakdown display, recalculate button, override
  - Status & Notes: status dropdown with preview, internal notes

### Changed

- Plugin.php enhanced with AJAX handlers and component initialization
- Admin JavaScript updated with booking form functionality
- Admin CSS updated with booking and calendar styles
- Asset enqueuing now includes Booking post type screens

### Security

- Conflict detection prevents double-booking
- Date validation ensures check-out is after check-in
- Status transition validation prevents invalid state changes
- Nonce verification on availability AJAX requests
- Capability checks on all booking operations

## [0.2.0] - 2026-01-31

### Added

- Pricing System with three tiers:
  - Short-term (nightly) pricing for stays up to 6 nights
  - Mid-term (weekly) pricing for stays 7-27 nights
  - Long-term (monthly) pricing for stays 28+ nights
- PricingTier enum class with automatic tier detection
- Season class for seasonal pricing management
  - Date range support (MM-DD format)
  - Year-spanning seasons (e.g., winter holidays Dec-Jan)
  - Price modifier (multiplier) per season
  - Priority system for overlapping seasons
  - Active/inactive status toggle
- Calculator class for price calculations
  - Automatic tier detection based on stay duration
  - Seasonal price adjustments
  - Weekend surcharge support
  - Price breakdown for detailed invoicing
  - Currency formatting with symbol/suffix support
- Pricing meta box on Room edit screen
  - Base prices for each tier (nightly, weekly, monthly)
  - Weekend surcharge field
  - Link to pricing settings
- Pricing Settings tab in plugin settings
  - Configurable tier thresholds
  - Weekend days selection
  - Quick view of configured seasons
- Seasons admin page (WP BnB > Seasons)
  - List view with all seasons
  - Add/Edit season form
  - Delete confirmation
  - Create default seasons option
- Price column in room list admin
- Admin CSS for pricing UI
- Admin JavaScript for pricing interactions

### Changed

- Room post type now includes pricing fields
- Plugin settings page has new Pricing tab
- Enhanced asset localization with pricing i18n strings

## [0.1.0] - 2026-01-31

### Added

- Custom Post Type: Buildings (`bnb_building`)
  - Address fields (street, city, state, ZIP, country)
  - Contact information (phone, email, website)
  - Building details (total rooms, floors, year built)
  - Check-in/check-out time configuration
  - Featured image support
  - Custom admin columns (city, country, room count)
  - Sortable columns
- Custom Post Type: Rooms (`bnb_room`)
  - Building relationship (parent building selection)
  - Room details (number, floor, size, capacity)
  - Guest capacity (total, max adults, max children)
  - Beds description and bathroom count
  - Room status (available, occupied, maintenance, blocked)
  - Image gallery with drag-and-drop sorting
  - Featured image support
  - Custom admin columns (building, room number, type, capacity, status)
  - Building filter dropdown in admin list
- Custom Taxonomy: Room Types (`bnb_room_type`)
  - Hierarchical (category-like) structure
  - Default types: Standard, Superior, Suite, Family, Accessible, Apartment
  - Subtypes: Single, Double, Twin, Junior Suite, Executive Suite
  - Base capacity meta field
  - Sort order meta field
- Custom Taxonomy: Amenities (`bnb_amenity`)
  - Non-hierarchical (tag-like) structure
  - Default amenities: WiFi, Parking, Breakfast, TV, A/C, Pet Friendly, etc.
  - Dashicon selection for visual display
  - Custom column showing icon
- Admin enhancements
  - Gallery meta box with media library integration
  - Status badges with color coding
  - Custom title placeholders for each post type
  - Post type edit screens with proper asset loading

### Changed

- Updated admin assets to handle post type edit screens
- Enhanced asset enqueuing to include jQuery UI Sortable for galleries
- Improved localization with additional i18n strings

## [0.0.1] - 2026-01-31

### Added

- Initial plugin structure and configuration
- Main plugin file with version checks (PHP 8.3+, WordPress 6.0+)
- Plugin singleton class with initialization hooks
- License Manager integration with SecureLicenseClient
- Admin menu with Dashboard and Settings pages
- Settings tabs for General and License configuration
- License validation and activation via AJAX
- Admin CSS and JavaScript assets
- Frontend CSS and JavaScript placeholders
- Composer configuration with dependencies:
  - twig/twig ^3.0
  - magdev/wc-licensed-product-client ^0.2
- PSR-4 autoloading for `Magdev\WpBnb` namespace
- Git submodule for license client library
- Gitea CI/CD workflow for automated releases
- Documentation: README.md, PLAN.md, CHANGELOG.md, CLAUDE.md
- Translation-ready strings with `wp-bnb` text domain
- Directory structure for templates, assets, and languages

### Security

- Nonce verification on all form submissions
- Capability checks for admin operations
- Input sanitization and output escaping
- Server secret masking in license settings

[0.11.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.11.0
[0.10.1]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.10.1
[0.10.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.10.0
[0.9.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.9.0
[0.8.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.8.0
[0.7.2]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.7.2
[0.7.1]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.7.1
[0.7.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.7.0
[0.6.1]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.6.1
[0.6.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.6.0
[0.5.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.5.0
[0.4.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.4.0
[0.3.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.3.0
[0.2.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.2.0
[0.1.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.1.0
[0.0.1]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.0.1