import { z } from 'zod';
import {
  siteContextSchema,
  sectionFileSchema,
  eventsFileSchema,
  smsSitesConfigSchema,
} from './schemas/index.js';

const EDITABLE_PATTERNS: Array<{ pattern: RegExp; schema: z.ZodTypeAny }> = [
  { pattern: /^content\/sections\/[^/]+\.json$/, schema: sectionFileSchema },
  { pattern: /^content\/events\.json$/, schema: eventsFileSchema },
  { pattern: /^site-context\.json$/, schema: siteContextSchema },
  { pattern: /^config\/sms-sites\.json$/, schema: smsSitesConfigSchema },
];

export function schemaForRepoRelativePath(relativePath: string): z.ZodTypeAny | null {
  for (const { pattern, schema } of EDITABLE_PATTERNS) {
    if (pattern.test(relativePath)) return schema;
  }
  return null;
}

export function isEditableContentRepoPath(relativePath: string): boolean {
  return EDITABLE_PATTERNS.some(({ pattern }) => pattern.test(relativePath));
}

export function parseAndValidateRepoJson(
  repoRelativePath: string,
  rawText: string
): { success: true; data: unknown } | { success: false; error: string } {
  const schema = schemaForRepoRelativePath(repoRelativePath);
  if (!schema) return { success: false, error: `No schema found for path: ${repoRelativePath}` };

  try {
    const parsed = JSON.parse(rawText);
    const result = schema.safeParse(parsed);
    if (result.success) return { success: true, data: result.data };
    return { success: false, error: result.error.issues.map(i => `${i.path.join('.')}: ${i.message}`).join('; ') };
  } catch (e) {
    return { success: false, error: `Invalid JSON: ${(e as Error).message}` };
  }
}