const API_URL = `${import.meta.env.VITE_API_URL}/api/`;

const networkError = new Error('Network response was not ok');

type Details = {
  locale: string;
  title?: string;
  vulnType?: string;
  description?: string;
  observation?: string;
  remediation?: string;
  category?: string;
  cwes: string[];
  references: string[];
  customFields: string[];
};

type NewVulnerability = {
  cvssv3: string;
  priority: number | '';
  remediationComplexity: number | '';
  details: Details[];
  category: string | null;
};

type UpdateVulnerabilityData = {
  _id: string;
  cvssv3: string | null;
  priority?: number | '';
  remediationComplexity?: number | '';
  details: Details[];
  status?: number;
  category?: string | null;
  __v: number;
  createdAt?: string;
  updatedAt?: string;
};

type PostDescription = {
  vuln: string;
};

type MergeVulnerability = {
  idIzq: string;
  rightSide: {
    vulnId: string;
    locale: string;
  };
};

type LanguageData = {
  language: string;
  locale: string;
};

type TypeData = {
  name: string;
  locale: string;
};

type CategoryData = {
  _id: string;
  name: string;
  sortValue: string;
  sortOrder: string;
  sortAuto: boolean;
};

type CreatedData = {
  created: string;
  duplicates: string;
};

type CWEData = {
  result: {
    priority: number;
    label: string;
    score: number;
  }[];
};

export const getLanguages = async (): Promise<{
  status: string;
  datas: LanguageData[];
}> => {
  try {
    const response = await fetch(`${API_URL}data/languages`, {
      credentials: 'include',
    }); // Incluir token
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const getCategories = async (): Promise<{
  status: string;
  datas: CategoryData[];
}> => {
  try {
    const response = await fetch(`${API_URL}data/vulnerability-categories`, {
      credentials: 'include',
    }); // Incluir token
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const getTypes = async (): Promise<{
  status: string;
  datas: TypeData[];
}> => {
  try {
    const response = await fetch(`${API_URL}data/vulnerability-types`, {
      credentials: 'include',
    }); // Incluir token
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const getVulnerabilities = async (): Promise<{
  status: string;
  datas: UpdateVulnerabilityData[];
}> => {
  try {
    const response = await fetch(`${API_URL}vulnerabilities`, {
      credentials: 'include',
    }); // Incluir token
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const postVulnerability = async (
  vulnerability: NewVulnerability[],
): Promise<{ status: string; datas: CreatedData }> => {
  try {
    const response = await fetch(`${API_URL}vulnerabilities`, {
      method: 'POST',
      credentials: 'include',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(vulnerability),
    });
    if (!response.ok) {
      const errorText = await response.text();
      const errorData = JSON.parse(errorText).datas;
      if (errorData === 'Vulnerability title already exists') {
        throw new Error(errorData);
      } else {
        throw networkError;
      }
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const deleteVulnerability = async (
  id: string,
): Promise<{ status: string; datas: string }> => {
  try {
    const response = await fetch(`${API_URL}vulnerabilities/${id}`, {
      method: 'DELETE',
      credentials: 'include',
    });
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const updateVulnerability = async (
  vulnerability: UpdateVulnerabilityData,
): Promise<{ status: string; datas: string }> => {
  try {
    const response = await fetch(
      `${API_URL}vulnerabilities/${vulnerability._id}`,
      {
        method: 'PUT',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(vulnerability),
      },
    );
    if (!response.ok) {
      const errorText = await response.text();
      const errorData = JSON.parse(errorText).datas;
      if (errorData === 'Vulnerability title already exists') {
        throw new Error(errorData);
      } else {
        throw networkError;
      }
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const postDescriptionCWE = async (
  description: PostDescription,
): Promise<CWEData> => {
  try {
    const response = await fetch(`${API_URL}classify`, {
      method: 'POST',
      credentials: 'include',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(description),
    });
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const mergeVulnerability = async (
  mergeObject: MergeVulnerability,
): Promise<{ status: string; datas: string }> => {
  try {
    const response = await fetch(
      `${API_URL}vulnerabilities/merge/${mergeObject.idIzq}`,
      {
        method: 'PUT',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(mergeObject.rightSide),
      },
    );
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};

export const postDescriptionCVSS = async (
  description: PostDescription,
): Promise<{ result: string }> => {
  try {
    const response = await fetch(`${API_URL}cvss`, {
      method: 'POST',
      credentials: 'include',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(description),
    });
    if (!response.ok) {
      throw networkError;
    }
    return await response.json();
  } catch (error) {
    console.error(error);

    throw error;
  }
};