<?php
declare(strict_types=1);

/**
 * phpcs:ignore WordPress.Files.FileName.InvalidClassFileName -- class naming convention differs from WordPress standard
 *
 * Extended settings fields: schedule, publishing, analytics, display, and images.
 *
 * What: Declarative field definitions for operational settings sections.
 * Who calls it: PRAutoBlogger_Settings_Fields::get_fields() merges these in.
 * Dependencies: PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL, PRAUTOBLOGGER_DEFAULT_IMAGE_STYLE_TEMPLATE constants,
 *               PRAutoBlogger_Article_Typography (font choices), PRAutoBlogger_Image_Model_Registry.
 *
 * M2 change: AI Models (reasoning_enabled, reasoning_effort) and Sources
 * (research_model, research_prompt) extended fields have been retired from
 * Settings — they now live in Pipeline Settings per-step panels. The
 * underlying wp_options are unchanged. See CONVENTIONS.md §Retired Settings Tabs.
 *
 * @see admin/class-settings-fields.php              — Core fields and sections.
 * @see admin/class-admin-page.php                   — Renders fields from these definitions.
 * @see admin/class-image-model-registry.php         — Static image model list.
 * @see admin/class-pipeline-settings-option-fields.php — Now owns Models + Sources fields.
 * @see frontend/class-article-typography.php        — Reads Display settings on frontend.
 * @see CONVENTIONS.md §Retired Settings Tabs        — Retirement pattern.
 * @see CONVENTIONS.md §How To: Add a New Admin Setting.
 */
class PRAutoBlogger_Settings_Fields_Extended {

	/**
	 * Static image model list for the admin model picker.
	 *
	 * @return array<int, array<string, mixed>>
	 */
	public static function get_image_models(): array {
		return PRAutoBlogger_Image_Model_Registry::get_models();
	}

	/**
	 * Get schedule, publishing, analytics, display, and image settings fields.
	 *
	 * Board settings, schedule, publishing, analytics, display, and images only.
	 * AI Models and Sources fields are retired from Settings — now in Pipeline Settings.
	 *
	 * @return array<int, array<string, mixed>>
	 */
	public static function get_fields(): array {
		return array_merge(
			array(
				// ── Board Settings ─────────────────────────────────────────
				array(
					'id'          => 'prautoblogger_board_poll_interval',
					'label'       => __( 'Board Poll Interval (seconds)', 'prautoblogger' ),
					'type'        => 'number',
					'section'     => 'prautoblogger_schedule',
					'default'     => 5,
					'min'         => 3,
					'max'         => 60,
					'description' => __( 'How often the kanban board polls for status updates (seconds). Minimum 3s. Doubles automatically when no article is actively generating.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_board_published_window_days',
					'label'       => __( 'Published Column Window (days)', 'prautoblogger' ),
					'type'        => 'number',
					'section'     => 'prautoblogger_schedule',
					'default'     => 7,
					'min'         => 1,
					'max'         => 90,
					'description' => __( 'How many days back the Published column shows articles. Increase to see older published articles on the board.', 'prautoblogger' ),
				),

				// ── Schedule & Budget ───────────────────────────────────────
				array(
					'id'      => 'prautoblogger_daily_article_target',
					'label'   => __( 'Articles per Day', 'prautoblogger' ),
					'type'    => 'number',
					'section' => 'prautoblogger_schedule',
					'default' => 1,
					'min'     => 1,
					'max'     => 10,
				),
				array(
					'id'          => 'prautoblogger_schedule_time',
					'label'       => __( 'Generation Time', 'prautoblogger' ),
					'type'        => 'time',
					'section'     => 'prautoblogger_schedule',
					'default'     => '03:00',
					'description' => sprintf(
						/* translators: %s: site timezone string, e.g. "Asia/Singapore". */
						esc_html__( "Daily generation runs at this time in your site's configured timezone (Settings → General → Timezone). Current site timezone: %s.", 'prautoblogger' ),
						esc_html( function_exists( 'wp_timezone_string' ) ? wp_timezone_string() : 'UTC' )
					),
				),
				array(
					'id'          => 'prautoblogger_monthly_budget_usd',
					'label'       => __( 'Monthly Budget (USD)', 'prautoblogger' ),
					'type'        => 'number',
					'section'     => 'prautoblogger_schedule',
					'default'     => 50,
					'min'         => 0,
					'step'        => '0.01',
					'description' => __( 'Hard stop when reached. 0 = unlimited.', 'prautoblogger' ),
				),

				// ── Publishing ──────────────────────────────────────────────
				array(
					'id'          => 'prautoblogger_auto_publish',
					'label'       => __( 'Auto-Publish', 'prautoblogger' ),
					'type'        => 'toggle',
					'section'     => 'prautoblogger_publishing',
					'default'     => '0',
					'description' => __( 'Automatically publish editor-approved posts. When off, all posts go to the Review Queue as drafts.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_default_author',
					'label'       => __( 'Default Author', 'prautoblogger' ),
					'type'        => 'author_select',
					'section'     => 'prautoblogger_publishing',
					'default'     => 0,
					'description' => __( 'WordPress user assigned as author of generated posts.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_default_category',
					'label'       => __( 'Default Category', 'prautoblogger' ),
					'type'        => 'category_select',
					'section'     => 'prautoblogger_publishing',
					'default'     => 0,
					'description' => __( 'Fallback category for generated posts.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_log_level',
					'label'       => __( 'Log Level', 'prautoblogger' ),
					'type'        => 'select',
					'section'     => 'prautoblogger_publishing',
					'default'     => 'info',
					'options'     => array(
						'error'   => __( 'Error — only failures', 'prautoblogger' ),
						'warning' => __( 'Warning — errors + warnings', 'prautoblogger' ),
						'info'    => __( 'Info — key events (recommended)', 'prautoblogger' ),
						'debug'   => __( 'Debug — everything (verbose)', 'prautoblogger' ),
					),
					'description' => __( 'Controls detail level in the Activity Log.', 'prautoblogger' ),
				),

				// ── Analytics ───────────────────────────────────────────────
				array(
					'id'          => 'prautoblogger_ga4_property_id',
					'label'       => __( 'GA4 Property ID', 'prautoblogger' ),
					'type'        => 'text',
					'section'     => 'prautoblogger_analytics',
					'description' => __( 'Your GA4 Property ID — digits only, e.g. 123456789 (the code adds the "properties/" prefix internally). Find it in GA4 → Admin → Property details. Leave blank to skip GA4.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_ga4_credentials_json',
					'label'       => __( 'Service Account JSON', 'prautoblogger' ),
					'type'        => 'password',
					'section'     => 'prautoblogger_analytics',
					'description' => __( 'Paste the full JSON key file for a service account with Analytics read access.', 'prautoblogger' ),
				),

				// ── Display ────────────────────────────────────────────────
				array(
					'id'          => 'prautoblogger_article_font_family',
					'label'       => __( 'Article Font', 'prautoblogger' ),
					'type'        => 'select',
					'section'     => 'prautoblogger_display',
					'default'     => 'default',
					'options'     => PRAutoBlogger_Article_Typography::get_font_choices(),
					'description' => __( 'Font family used for generated article body text. Serif fonts improve long-form readability.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_article_font_size',
					'label'       => __( 'Article Font Size (px)', 'prautoblogger' ),
					'type'        => 'number',
					'section'     => 'prautoblogger_display',
					'default'     => 0,
					'min'         => 0,
					'max'         => 32,
					'description' => __( 'Base font size for article body text. 0 uses the theme default (13px). Recommended: 16–18px for comfortable reading.', 'prautoblogger' ),
				),
				array(
					'id'          => 'prautoblogger_table_borders',
					'label'       => __( 'Table Borders', 'prautoblogger' ),
					'type'        => 'toggle',
					'section'     => 'prautoblogger_display',
					'default'     => '1',
					'description' => __( 'Add visible borders, padding, and alternating row colors to tables in generated articles.', 'prautoblogger' ),
				),
			),
			PRAutoBlogger_Settings_Fields_Images::get_fields()
		);
	}
}