import type { APIRoute } from 'astro';
import { getDb } from '../../../db/index';
import { generateDraftConfig } from '../../../services/file-generator';

export const prerender = false;

export const POST: APIRoute = async ({ request }) => {
  try {
    const { page_id, section_id, settings } = await request.json();

    if (!page_id || !section_id || !settings) {
      return new Response(JSON.stringify({ error: 'page_id, section_id und settings erforderlich' }), { status: 400 });
    }

    const db = getDb();
    const existingRow = db.prepare('SELECT content_draft_json, styles_json FROM page_sections WHERE id = ?').get(section_id) as any;

    if (!existingRow) {
      return new Response(JSON.stringify({ error: 'Sektion nicht gefunden' }), { status: 404 });
    }

    const currentDraft = JSON.parse(existingRow.content_draft_json || '{}');
    const currentStyles = JSON.parse(existingRow.styles_json || '{}');

    // Trenne Styles (z. B. bg_color, accent_color) von typischem Inhalt
    const { bg_color, accent_color, animation, backdrop_blur, liquid_edge, padding_top, padding_right, padding_bottom, padding_left, ...contentFields } = settings;
    
    const updatedDraft = { ...currentDraft, ...contentFields };
    const updatedStyles = {
      ...currentStyles,
      ...(bg_color !== undefined ? { bg_color } : {}),
      ...(accent_color !== undefined ? { accent_color } : {}),
      ...(animation !== undefined ? { animation } : {}),
      ...(backdrop_blur !== undefined ? { backdrop_blur } : {}),
      ...(liquid_edge !== undefined ? { liquid_edge } : {}),
      ...(padding_top !== undefined ? { padding_top } : {}),
      ...(padding_right !== undefined ? { padding_right } : {}),
      ...(padding_bottom !== undefined ? { padding_bottom } : {}),
      ...(padding_left !== undefined ? { padding_left } : {})
    };

    db.prepare('UPDATE page_sections SET content_draft_json = ?, styles_json = ? WHERE id = ?').run(
      JSON.stringify(updatedDraft),
      JSON.stringify(updatedStyles),
      section_id
    );

    // Draft-Config neu kompilieren
    await generateDraftConfig();

    return new Response(JSON.stringify({ success: true, settings: { ...updatedDraft, ...updatedStyles } }), { status: 200 });
  } catch (error) {
    console.error('[API /api/editor/update-section-settings] Exception:', error);
    return new Response(JSON.stringify({ error: 'Fehler beim Aktualisieren der Sektions-Einstellungen' }), { status: 500 });
  }
};