"use strict";

const { expect } = require("chai");
const SwaggerParser = require("../../..");
const path = require("../../utils/path");

describe("Invalid APIs (Swagger 2.0 schema validation)", () => {
  let tests = [
    {
      name: "invalid response code",
      valid: false,
      file: "invalid-response-code.yaml"
    },
    {
      name: "optional path param",
      valid: false,
      file: "optional-path-param.yaml"
    },
    {
      name: "non-required path param",
      valid: false,
      file: "non-required-path-param.yaml"
    },
    {
      name: "invalid schema type",
      valid: false,
      file: "invalid-schema-type.yaml"
    },
    {
      name: "invalid param type",
      valid: false,
      file: "invalid-param-type.yaml"
    },
    {
      name: "non-primitive param type",
      valid: false,
      file: "non-primitive-param-type.yaml"
    },
    {
      name: "invalid parameter location",
      valid: false,
      file: "invalid-param-location.yaml"
    },
    {
      name: '"file" type used for non-formData param',
      valid: false,
      file: "file-header-param.yaml"
    },
    {
      name: '"file" type used for body param',
      valid: false,
      file: "file-body-param.yaml",
      error: "Validation failed. /paths/users/{username}/profile/image/post/parameters/image has an invalid type (file)"
    },
    {
      name: '"multi" header param',
      valid: false,
      file: "multi-header-param.yaml"
    },
    {
      name: '"multi" path param',
      valid: false,
      file: "multi-path-param.yaml"
    },
    {
      name: "invalid response header type",
      valid: false,
      file: "invalid-response-header-type.yaml"
    },
    {
      name: "non-primitive response header type",
      valid: false,
      file: "non-primitive-response-header-type.yaml"
    },
    {
      name: "invalid response schema type",
      valid: false,
      file: "invalid-response-type.yaml"
    },
    {
      name: "unknown JSON Schema format",
      valid: true,
      file: "unknown-format.yaml"
    },
    {
      name: "$ref to invalid Path object",
      valid: false,
      file: "ref-to-invalid-path.yaml"
    },
    {
      name: 'Schema with "allOf"',
      valid: true,
      file: "allof.yaml"
    },
    {
      name: 'Schema with "anyOf"',
      valid: false,
      file: "anyof.yaml"
    },
    {
      name: 'Schema with "oneOf"',
      valid: false,
      file: "oneof.yaml"
    },
  ];

  it('should pass validation if "options.validate.schema" is false', async () => {
    let invalid = tests[0];
    expect(invalid.valid).to.equal(false);

    const api = await SwaggerParser
      .validate(path.rel("specs/validate-schema/invalid/" + invalid.file), { validate: { schema: false }});
    expect(api).to.be.an("object");
  });

  for (let test of tests) {
    if (test.valid) {
      it(test.name, async () => {
        try {
          const api = await SwaggerParser
            .validate(path.rel("specs/validate-schema/valid/" + test.file));
          expect(api).to.be.an("object");
        }
        catch (err) {
          throw new Error("Validation should have succeeded, but it failed!\n" + err.stack);
        }
      });
    }
    else {
      it(test.name, async () => {
        try {
          await SwaggerParser.validate(path.rel("specs/validate-schema/invalid/" + test.file));
          throw new Error("Validation should have failed, but it succeeded!");
        }
        catch (err) {
          expect(err).to.be.an.instanceOf(SyntaxError);
          expect(err.message).to.match(/^Swagger schema validation failed.\n(.*)+/);
          expect(err.details).to.be.an("array").with.length.above(0);

          // Make sure the Ajv error details object is valid
          let details = err.details[0];
          expect(details.instancePath).to.be.a("string").and.match(/[a-zA-Z\/~01]+/); // /paths/~1users/get/responses
          expect(details.schemaPath).to.be.a("string").and.match(/^#\/[a-zA-Z\\/]+/); // #/properties/parameters/items/oneOf
          expect(details.keyword).to.be.a("string").and.match(/\w+/); // oneOf
          expect(details.params).to.be.a("object"); // { passingSchemas: null }
          expect(details.message).to.be.a("string").with.length.of.at.least(1); // must match exactly one schema in oneOf
        }
      });
    }
  }
});
