# Changelog

All notable changes to WooCommerce Tier and Package Prices 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).

## [1.1.2] - 2025-12-21

### Added
- Catalog "View Options" button for products with quantity restrictions
- Automatic button replacement in shop/category/archive pages
- Eye icon (Dashicons) for "View Options" button styling

### Changed
- "Add to Cart" button replaced with "View Options" link on catalog pages for restricted products
- CSS now loads on all WooCommerce pages (shop, cart, checkout, product)
- Catalog buttons now direct to product page instead of adding to cart

### Technical
- Added `has_quantity_restriction()` static method in WC_TPP_Frontend class
- Added `modify_catalog_add_to_cart_button()` method in WC_TPP_Frontend class
- Extended `woocommerce_loop_add_to_cart_link` filter hook
- CSS classes: `wc-tpp-view-options`, `wc-tpp-cart-quantity`, `wc-tpp-restriction-notice`
- Updated `enqueue_scripts()` to load CSS on all WooCommerce pages

### Translations
- Added 2 new translatable strings
- Updated all translations (en_US, de_DE, de_CH_informal)
- Compiled all .mo files with new strings

## [1.1.1] - 2025-12-21

### Added
- Cart quantity field hiding when package restriction is enabled
- Automatic read-only quantity display in cart for restricted products

### Changed
- Cart quantity input replaced with plain text when restrictions apply
- Enhanced cart display to prevent quantity modification for restricted products

### Fixed
- Cart quantity bypass vulnerability for package-restricted products

### Technical
- Added `maybe_hide_cart_quantity_input()` method in WC_TPP_Cart class
- Extended `woocommerce_cart_item_quantity` filter hook
- CSS class `wc-tpp-cart-quantity` for styled quantity display

## [1.1.0] - 2025-12-21

### Added
- Package quantity restriction feature
- Global setting to restrict quantities to defined package sizes
- Per-product setting to restrict quantities to defined package sizes
- Frontend validation preventing non-package quantities
- Server-side cart validation for package quantities
- User-friendly error messages showing available package sizes
- Automatic quantity field hiding when restriction is enabled
- Package selection UI with highlighted states

### Changed
- Enhanced package pricing display template with restriction mode support
- Improved JavaScript to handle restricted mode package selection
- Updated frontend to show "Choose a package size below" notice in restricted mode

### Technical
- Added `validate_package_quantity()` method in WC_TPP_Cart class
- Added `maybe_hide_quantity_input()` method in WC_TPP_Frontend class
- Extended `woocommerce_add_to_cart_validation` filter hook
- Added `wc-tpp-restricted-mode` CSS class for styling
- New product meta: `_wc_tpp_restrict_to_packages`
- New global option: `wc_tpp_restrict_package_quantities`

### Translations
- Added 7 new translatable strings
- Updated all translations (en_US, de_DE, de_CH_informal)
- Compiled all .mo files with new strings

## [1.0.2] - 2025-12-21

### Changed
- Migrated settings to WooCommerce Settings page as dedicated tab
- Settings now appear under WooCommerce > Settings > Tier & Package Prices
- Improved integration with WooCommerce native settings API

### Added
- WC_TPP_Settings class extending WC_Settings_Page
- Better integration with WooCommerce settings system
- Consistent UI with other WooCommerce settings tabs

### Removed
- Standalone settings submenu (WooCommerce > Tier & Package Prices)
- Custom settings template (templates/admin/settings-page.twig)

### Technical
- Implemented WooCommerce settings filter hook (woocommerce_get_settings_pages)
- Uses WC_Admin_Settings for rendering and saving
- Automatic settings persistence via WooCommerce API

## [1.0.1] - 2025-12-21

### Added
- Twig template engine integration for all templates
- Template loader class with WordPress integration
- German (Switzerland, Informal) translation (de_CH_informal)
- Composer dependency management
- Comprehensive translation support in Twig templates
- Template caching support (disabled in debug mode)

### Changed
- Migrated all PHP templates to Twig format (.twig)
- Improved template organization and separation of concerns
- Enhanced security with automatic HTML escaping in templates
- Updated composer.json with complete package metadata

### Removed
- Old PHP template files (replaced with Twig)

### Technical
- Added Twig v3.22.2 dependency
- Created WC_TPP_Template_Loader class for centralized template rendering
- Integrated WordPress functions (__(), _e(), esc_*, wc_price()) into Twig
- Added Swiss German localization with informal address form
- Organized templates into admin/ and frontend/ directories

## [1.0.0] - 2025-12-21

### Added
- Initial release
- Tier pricing functionality (quantity-based discounts)
- Package pricing functionality (fixed-price bundles)
- Admin settings page for plugin configuration
- Product meta boxes for configuring tier and package prices
- Frontend pricing tables display
- Cart integration for automatic price calculation
- WooCommerce HPOS compatibility
- Multilingual support with text domain
- German (Germany) translation (de_DE)
- English (US) translation (en_US)

### Features
- Volume discounts based on quantity thresholds
- Fixed-price packages with custom labels
- Configurable display positions (before/after cart button, after price)
- Real-time price updates in cart
- Responsive pricing tables
- Admin-friendly interface for price management
