import type {
  AnyModel,
  Cookie,
  Environment,
  HttpResponseEvent,
  HttpResponseHeader,
} from '@yaakapp-internal/models';
import { getMimeTypeFromContentType } from './contentType';

export const BODY_TYPE_NONE = null;
export const BODY_TYPE_GRAPHQL = 'graphql';
export const BODY_TYPE_JSON = 'application/json';
export const BODY_TYPE_BINARY = 'binary';
export const BODY_TYPE_OTHER = 'other';
export const BODY_TYPE_FORM_URLENCODED = 'application/x-www-form-urlencoded';
export const BODY_TYPE_FORM_MULTIPART = 'multipart/form-data';
export const BODY_TYPE_XML = 'text/xml';

export function cookieDomain(cookie: Cookie): string {
  if (cookie.domain === 'NotPresent' || cookie.domain === 'Empty') {
    return 'n/a';
  }
  if ('HostOnly' in cookie.domain) {
    return cookie.domain.HostOnly;
  }
  if ('Suffix' in cookie.domain) {
    return cookie.domain.Suffix;
  }
  return 'unknown';
}

export function modelsEq(a: AnyModel, b: AnyModel) {
  if (a.model !== b.model) {
    return false;
  }
  if (a.model === 'key_value' && b.model === 'key_value') {
    return a.key === b.key && a.namespace === b.namespace;
  }
  if ('id' in a && 'id' in b) {
    return a.id === b.id;
  }
  return false;
}

export function getContentTypeFromHeaders(headers: HttpResponseHeader[] | null): string | null {
  return headers?.find((h) => h.name.toLowerCase() === 'content-type')?.value ?? null;
}

export function getCharsetFromContentType(headers: HttpResponseHeader[]): string | null {
  const contentType = getContentTypeFromHeaders(headers);
  if (contentType == null) return null;

  const mimeType = getMimeTypeFromContentType(contentType);
  return mimeType.parameters.get('charset') ?? null;
}

export function isBaseEnvironment(environment: Environment): boolean {
  return environment.parentModel === 'workspace';
}

export function isSubEnvironment(environment: Environment): boolean {
  return environment.parentModel === 'environment';
}

export function isFolderEnvironment(environment: Environment): boolean {
  return environment.parentModel === 'folder';
}

export function getCookieCounts(
  events: HttpResponseEvent[] | undefined,
): { sent: number; received: number } {
  if (!events) return { sent: 0, received: 0 };

  // Use Sets to deduplicate by cookie name
  const sentNames = new Set<string>();
  const receivedNames = new Set<string>();

  for (const event of events) {
    const e = event.event;
    if (e.type === 'header_up' && e.name.toLowerCase() === 'cookie') {
      // Parse "Cookie: name=value; name2=value2" format
      for (const pair of e.value.split(';')) {
        const name = pair.split('=')[0]?.trim();
        if (name) sentNames.add(name);
      }
    } else if (e.type === 'header_down' && e.name.toLowerCase() === 'set-cookie') {
      // Parse "Set-Cookie: name=value; ..." - first part before ; is name=value
      const name = e.value.split(';')[0]?.split('=')[0]?.trim();
      if (name) receivedNames.add(name);
    }
  }

  return { sent: sentNames.size, received: receivedNames.size };
}