module.exports = function (app) {
  var Response = require('../lib/httpResponse.js');
  var acl = require('../lib/auth').acl;
  var Vulnerability = require('mongoose').model('Vulnerability');
  var VulnerabilityType = require('mongoose').model('VulnerabilityType');
  var VulnerabilityCategory = require('mongoose').model(
    'VulnerabilityCategory',
  );
  var VulnerabilityUpdate = require('mongoose').model('VulnerabilityUpdate');

  // Get vulnerabilities list
  app.get(
    '/api/vulnerabilities',
    acl.hasPermission('vulnerabilities:read'),
    function (req, res) {
      Vulnerability.getAll()
        .then(msg => Response.Ok(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Get vulnerabilities for export
  app.get(
    '/api/vulnerabilities/export',
    acl.hasPermission('vulnerabilities:read'),
    function (req, res) {
      Vulnerability.export()
        .then(msg => Response.Ok(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Create vulnerabilities (array of vulnerabilities)
  app.post(
    '/api/vulnerabilities',
    acl.hasPermission('vulnerabilities:create'),
    function (req, res) {
      for (var i = 0; i < req.body.length; i++) {
        var vuln = req.body[i];
        if (!vuln.details) {
          Response.BadParameters(
            res,
            'Required parameters: details.locale, details.title',
          );
          return;
        }
        var index = vuln.details.findIndex(
          obj =>
            obj.locale && obj.locale !== '' && obj.title && obj.title !== '',
        );
        if (index < 0) {
          Response.BadParameters(
            res,
            'Required parameters: details.locale, details.title',
          );
          return;
        }
      }

      var vulnerabilities = [];
      for (var i = 0; i < req.body.length; i++) {
        var vuln = {};
        vuln.cvssv3 = req.body[i].cvssv3 || null;
        if (req.body[i].priority) vuln.priority = req.body[i].priority;
        if (req.body[i].remediationComplexity)
          vuln.remediationComplexity = req.body[i].remediationComplexity;
        if (req.body[i].category) {
          vuln.category = req.body[i].category;
          VulnerabilityCategory.create({ name: vuln.category }).catch(e => {});
        }
        vuln.details = [];
        req.body[i].details.forEach(d => {
          if (!d.title || !d.locale)
            // Array of details may contain entries without title or locale but we don't want to save them
            return;
          var details = {};
          if (d.locale) details.locale = d.locale;
          if (d.title) details.title = d.title;
          if (d.vulnType) {
            details.vulnType = d.vulnType;
            VulnerabilityType.create({
              locale: d.locale,
              name: d.vulnType,
            }).catch(e => {});
          }
          if (d.description) details.description = d.description;
          if (d.observation) details.observation = d.observation;
          if (d.remediation) details.remediation = d.remediation;
          if (d.references) details.references = d.references;
          if (d.cwes) details.cwes = d.cwes;
          if (d.customFields) details.customFields = d.customFields;
          vuln.details.push(details);
        });
        vuln.status = 0;
        vulnerabilities.push(vuln);
      }
      Vulnerability.create(vulnerabilities)
        .then(msg => Response.Created(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Update vulnerability
  app.put(
    '/api/vulnerabilities/:vulnerabilityId',
    acl.hasPermission('vulnerabilities:update'),
    function (req, res) {
      if (!req.body.details) {
        Response.BadParameters(
          res,
          'Required parameters: details.locale, details.title',
        );
        return;
      }
      var index = req.body.details.findIndex(
        obj => obj.locale && obj.locale !== '' && obj.title && obj.title !== '',
      );
      if (index < 0) {
        Response.BadParameters(
          res,
          'Required parameters: details.locale, details.title',
        );
        return;
      }

      var vuln = {};
      if (req.body.cvssv3) vuln.cvssv3 = req.body.cvssv3;
      if (req.body.priority) vuln.priority = req.body.priority;
      if (req.body.remediationComplexity)
        vuln.remediationComplexity = req.body.remediationComplexity;
      vuln.category = req.body.category || null;
      vuln.details = [];
      req.body.details.forEach(d => {
        if (!d.title || !d.locale) return;
        var details = {};
        if (d.locale) details.locale = d.locale;
        if (d.title) details.title = d.title;
        if (d.vulnType) details.vulnType = d.vulnType;
        if (d.description) details.description = d.description;
        if (d.observation) details.observation = d.observation;
        if (d.remediation) details.remediation = d.remediation;
        if (d.cwes) details.cwes = d.cwes;
        if (d.references) details.references = d.references;
        if (d.customFields) details.customFields = d.customFields;
        vuln.details.push(details);
      });
      vuln.status = 0;

      Vulnerability.update(req.params.vulnerabilityId, vuln)
        .then(msg => {
          if (req.body.status === 2)
            VulnerabilityUpdate.deleteAllByVuln(req.params.vulnerabilityId);
          Response.Ok(res, msg);
        })
        .catch(err => Response.Internal(res, err));
    },
  );

  // Delete vulnerability
  app.delete(
    '/api/vulnerabilities/:vulnerabilityId',
    acl.hasPermission('vulnerabilities:delete'),
    function (req, res) {
      Vulnerability.delete(req.params.vulnerabilityId)
        .then(msg => Response.Ok(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Delete all vulnerabilities
  app.delete(
    '/api/vulnerabilities',
    acl.hasPermission('vulnerabilities:delete-all'),
    function (req, res) {
      Vulnerability.deleteAll()
        .then(msg => Response.Ok(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Get vulnerabilities list by language
  app.get(
    '/api/vulnerabilities/:locale',
    acl.hasPermission('vulnerabilities:read'),
    function (req, res) {
      Vulnerability.getAllByLanguage(req.params.locale)
        .then(msg => Response.Ok(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Create or Update vulnerability from finding for validation
  app.post(
    '/api/vulnerabilities/finding/:locale',
    acl.hasPermission('vulnerability-updates:create'),
    function (req, res) {
      if (!req.body.title) {
        Response.BadParameters(res, 'Required parameters: title');
        return;
      }

      var vuln = {};
      // Required params
      vuln.title = req.body.title;
      vuln.locale = req.params.locale;

      // Optional params
      vuln.cvssv3 = req.body.cvssv3 || '';
      vuln.priority = req.body.priority || null;
      vuln.remediationComplexity = req.body.remediationComplexity || null;
      vuln.references = req.body.references || [];
      vuln.cwes = req.body.cwes || [];
      vuln.vulnType = req.body.vulnType || null;
      vuln.description = req.body.description || null;
      vuln.observation = req.body.observation || null;
      vuln.remediation = req.body.remediation || null;
      vuln.category = req.body.category || null;
      vuln.customFields = req.body.customFields || [];

      VulnerabilityUpdate.create(req.decodedToken.username, vuln)
        .then(msg => {
          if (msg === 'Finding created as new Vulnerability')
            Response.Created(res, msg);
          else Response.Ok(res, msg);
        })
        .catch(err => Response.Internal(res, err));
    },
  );

  // Get vulnerability updates form vuln id
  app.get(
    '/api/vulnerabilities/updates/:vulnId',
    acl.hasPermission('vulnerabilities:update'),
    function (req, res) {
      VulnerabilityUpdate.getAllByVuln(req.params.vulnId)
        .then(msg => Response.Ok(res, msg))
        .catch(err => Response.Internal(res, err));
    },
  );

  // Merge vulnerability with locale part of another one
  app.put(
    '/api/vulnerabilities/merge/:vulnId',
    acl.hasPermission('vulnerabilities:update'),
    function (req, res) {
      if (!req.body.vulnId || !req.body.locale) {
        Response.BadParameters(res, 'Required parameters: vulnId, locale');
        return;
      }

      Vulnerability.Merge(req.params.vulnId, req.body.vulnId, req.body.locale)
        .then(() => Response.Ok(res, 'Vulnerability merge successfully'))
        .catch(err => Response.Internal(res, err));
    },
  );
};