/*
  The MIT License
  
  Copyright (c) 2017-2019 EclipseSource Munich
  https://github.com/eclipsesource/jsonforms
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
*/
/* ts-lint:disable:max-file-line-count */
import {
  findContainerProperties,
  makeSchemaSelfContained
} from '../../src/services/property.util';
import { JsonSchema7 } from '@jsonforms/core';
import * as _ from 'lodash';

describe('Property util', () => {
  test('should retrieve container property from a nested array (non primitive)', () => {
    const schema: JsonSchema7 = {
      type: 'array',
      items: {
        type: 'array',
        items: {
          type: 'object',
          properties: {
            foo: { type: 'string' }
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties.length).toEqual(1);
    expect(properties).toMatchObject([
      {
        property: 'root',
        label: 'root',
        schema: { type: 'object', properties: { foo: { type: 'string' } } }
      }
    ]);
  });

  test('should retrieve container property from an array (non primitive)', () => {
    const schema = {
      type: 'array',
      items: {
        type: 'object',
        properties: {
          foo: { type: 'string' }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'root',
        label: 'root',
        schema: {
          type: 'object',
          properties: {
            foo: { type: 'string' }
          }
        }
      }
    ]);
    expect(properties.length).toEqual(1);
  });

  test('should retrieve container property from object with array property (non primitive)', () => {
    const schema = {
      type: 'object',
      properties: {
        foo: {
          type: 'array',
          items: {
            type: 'object',
            properties: {
              bar: { type: 'string' }
            }
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'foo',
        label: 'foo',
        schema: {
          type: 'object',
          properties: {
            bar: { type: 'string' }
          }
        }
      }
    ]);
  });

  test('should retrieve no container properties from object with arrays (all primitive)', () => {
    const schema = {
      type: 'object',
      properties: {
        strings: { type: 'array', items: { type: 'string' } },
        numbers: { type: 'array', items: { type: 'number' } },
        integers: { type: 'array', items: { type: 'integer' } },
        booleans: { type: 'array', items: { type: 'boolean' } }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties.length).toEqual(0);
  });

  test('should retrieve no container properties from object with tuple array', () => {
    const schema = {
      type: 'object',
      properties: {
        foo: {
          type: 'array',
          items: [
            {
              type: 'object',
              properties: {
                bar: { type: 'string' }
              }
            },
            {
              type: 'object',
              properties: {
                baz: { type: 'string' }
              }
            }
          ]
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties.length).toEqual(0);
  });

  test('should retrieve no container properties from object with primitive properties', () => {
    const schema = {
      type: 'object',
      properties: {
        string: { type: 'string' },
        number: { type: 'number' },
        integer: { type: 'integer' },
        boolean: { type: 'boolean' }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties.length).toEqual(0);
  });

  test('should retrieve no container properties from nested object with primitive properties', () => {
    const schema = {
      type: 'object',
      properties: {
        foo: {
          type: 'object',
          properties: {
            bar: { type: 'string' }
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties.length).toEqual(0);
  });

  test('should retrieve container properties from objects with same $ref', () => {
    const schema: JsonSchema7 = {
      definitions: {
        person: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      },
      type: 'object',
      properties: {
        friends: { type: 'array', items: { $ref: '#/definitions/person' } },
        enemies: { type: 'array', items: { $ref: '#/definitions/person' } }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'friends',
        label: 'person',
        schema: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      },
      {
        property: 'enemies',
        label: 'person',
        schema: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      }
    ]);
  });

  test('should retrieve container properties from objects with different $ref', () => {
    const schema: JsonSchema7 = {
      definitions: {
        person: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        },
        robot: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      },
      type: 'object',
      properties: {
        persons: { type: 'array', items: { $ref: '#/definitions/person' } },
        robots: { type: 'array', items: { $ref: '#/definitions/robot' } }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'persons',
        label: 'person',
        schema: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      },
      {
        property: 'robots',
        label: 'robot',
        schema: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      }
    ]);
  });

  test('should retrieve no container properties object if no array object', () => {
    const schema: JsonSchema7 = {
      definitions: {
        a: { type: 'object' },
        b: { type: 'object' }
      },
      anyOf: [{ $ref: '#/definitions/a' }, { $ref: '#/definitions/b' }]
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties.length).toEqual(0);
  });

  test('should retrieve container properties from array of objects by using keyword anyOf', () => {
    const schema: JsonSchema7 = {
      definitions: {
        a: { type: 'object', properties: { foo: { type: 'string' } } },
        b: { type: 'object', properties: { foo: { type: 'string' } } }
      },
      type: 'array',
      items: {
        anyOf: [{ $ref: '#/definitions/a' }, { $ref: '#/definitions/b' }]
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'root',
        label: 'a',
        schema: {
          type: 'object',
          properties: { foo: { type: 'string' } }
        }
      },
      {
        property: 'root',
        label: 'b',
        schema: {
          type: 'object',
          properties: { foo: { type: 'string' } }
        }
      }
    ]);
  });

  test('expect to retrieve properties from object with array object by using keyword anyOf', () => {
    const schema: JsonSchema7 = {
      definitions: {
        a: { type: 'object', properties: { foo: { type: 'string' } } },
        b: { type: 'object', properties: { foo: { type: 'string' } } }
      },
      type: 'object',
      properties: {
        elements: {
          type: 'array',
          items: {
            anyOf: [{ $ref: '#/definitions/a' }, { $ref: '#/definitions/b' }]
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'elements',
        label: 'a',
        schema: {
          type: 'object',
          properties: {
            foo: { type: 'string' }
          }
        }
      },
      {
        property: 'elements',
        label: 'b',
        schema: {
          properties: {
            foo: { type: 'string' }
          }
        }
      }
    ]);
  });

  test('expect to retrieve properties from object with array object by using keyword anyOf twice', () => {
    const schema: JsonSchema7 = {
      definitions: {
        a: { anyOf: [{ $ref: '#/definitions/b' }] },
        b: { type: 'object', properties: { foo: { type: 'string' } } }
      },
      type: 'object',
      properties: {
        elements: {
          type: 'array',
          items: {
            anyOf: [{ $ref: '#/definitions/a' }]
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'elements',
        label: 'b',
        schema: {
          properties: {
            foo: { type: 'string' }
          }
        }
      }
    ]);
  });

  test(
    'expect to retrieve properties from object with array object ' +
      'where anyOf contains reference and object',
    () => {
      const schema: JsonSchema7 = {
        definitions: {
          a: { type: 'object', properties: { foo: { type: 'string' } } }
        },
        type: 'object',
        properties: {
          elements: {
            type: 'array',
            items: {
              anyOf: [
                { $ref: '#/definitions/a' },
                { type: 'object', properties: { bar: { type: 'string' } } }
              ]
            }
          }
        }
      };

      const properties = findContainerProperties(schema, schema, false);
      expect(properties).toMatchObject([
        {
          property: 'elements',
          label: 'a',
          schema: {
            properties: {
              foo: { type: 'string' }
            }
          }
        },
        {
          property: 'elements',
          label: 'elements',
          schema: {
            properties: {
              bar: { type: 'string' }
            }
          }
        }
      ]);
    }
  );

  test('expect to retrieve properties from object with array object by using keyword anyOf recursive', () => {
    const schema: JsonSchema7 = {
      definitions: {
        a: {
          anyOf: [{ $ref: '#/definitions/b' }]
        },
        b: {
          anyOf: [{ $ref: '#/definitions/a' }, { $ref: '#/definitions/c' }],
          type: 'object',
          properties: { foo: { type: 'string' } }
        }
      },
      type: 'object',
      properties: {
        elements: {
          type: 'array',
          items: {
            anyOf: [{ $ref: '#/definitions/a' }]
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'elements',
        label: 'b',
        schema: {
          properties: {
            foo: { type: 'string' }
          }
        }
      }
    ]);
  });

  test('should retrieve container properties from object that references an array object', () => {
    const schema: JsonSchema7 = {
      definitions: {
        root: {
          type: 'array',
          items: {
            type: 'object',
            properties: {
              name: { type: 'string' }
            }
          }
        }
      },
      type: 'object',
      properties: {
        roots: {
          $ref: '#/definitions/root'
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'roots',
        label: 'root',
        schema: {
          type: 'object',
          properties: {
            name: { type: 'string' }
          }
        }
      }
    ]);
  });

  test('should retrieve containers properties of objects with mutually recursive $refs', () => {
    const schema: JsonSchema7 = {
      definitions: {
        person: {
          type: 'object',
          properties: {
            robots: {
              type: 'array',
              items: { $ref: '#/definitions/robot' }
            }
          }
        },
        robot: {
          type: 'object',
          properties: {
            humans: {
              type: 'array',
              items: { $ref: '#/definitions/person' }
            }
          }
        }
      },
      type: 'object',
      properties: {
        persons: { type: 'array', items: { $ref: '#/definitions/person' } }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'persons',
        label: 'person',
        schema: {
          type: 'object',
          properties: {
            robots: {
              type: 'array',
              items: {
                $ref: '#/definitions/robot'
              }
            }
          },
          definitions: {
            robot: {
              type: 'object',
              properties: {
                humans: {
                  type: 'array',
                  items: {
                    $ref: '#/definitions/person'
                  }
                }
              }
            },
            person: {
              type: 'object',
              properties: {
                robots: {
                  type: 'array',
                  items: {
                    $ref: '#/definitions/robot'
                  }
                }
              }
            }
          }
        }
      }
    ]);
  });

  //
  // real world examples --
  //
  test('support simple UML-like schema with array objects', () => {
    const schema: JsonSchema7 = {
      type: 'object',
      properties: {
        name: {
          type: 'string'
        },
        classes: {
          type: 'array',
          items: {
            type: 'object',
            properties: {
              name: {
                type: 'string'
              },
              attributes: {
                type: 'array',
                items: {
                  type: 'object',
                  properties: {
                    name: {
                      type: 'string'
                    },
                    type: {
                      type: 'string',
                      enum: ['string', 'integer']
                    }
                  }
                }
              }
            }
          }
        }
      }
    };

    const properties = findContainerProperties(schema, schema, false);
    expect(properties).toMatchObject([
      {
        property: 'classes',
        label: 'classes',
        schema: {
          type: 'object',
          properties: {
            name: { type: 'string' },
            attributes: {
              type: 'array',
              items: {
                type: 'object',
                properties: {
                  name: { type: 'string' },
                  type: {
                    type: 'string',
                    enum: ['string', 'integer']
                  }
                }
              }
            }
          }
        }
      }
    ]);
  });

  test('make UI sub schema self-contained', () => {
    const parentSchema: JsonSchema7 = {
      type: 'object',
      properties: {
        type: {
          type: 'string',
          enum: [
            'HorizontalLayout',
            'VerticalLayout',
            'Group',
            'Categorization'
          ]
        },
        label: { type: 'string' },
        elements: { $ref: '#/definitions/elements' },
        rule: { $ref: '#/definitions/rule' }
      },
      definitions: {
        elements: {
          type: 'array',
          items: {
            anyOf: [
              { $ref: '#/definitions/control' },
              { $ref: '#/definitions/horizontallayout' },
              { $ref: '#/definitions/verticallayout' }
            ]
          }
        },
        control: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              default: 'Control'
            },
            label: { type: 'string' },
            scope: { $ref: '#/definitions/scope' },
            options: { $ref: '#/definitions/options' },
            rule: { $ref: '#/definitions/rule' }
          }
        },
        horizontallayout: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              default: 'HorizontalLayout'
            },
            elements: { $ref: '#/definitions/elements' },
            rule: { $ref: '#/definitions/rule' }
          }
        },
        verticallayout: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              default: 'VerticalLayout'
            },
            elements: { $ref: '#/definitions/elements' },
            rule: { $ref: '#/definitions/rule' }
          }
        },
        rule: {
          type: 'object',
          properties: {
            effect: {
              type: 'string',
              enum: ['HIDE', 'SHOW', 'DISABLE', 'ENABLE']
            },
            condition: {
              type: 'object',
              properties: {
                type: { type: 'string' },
                scope: { $ref: '#/definitions/scope' },
                expectedValue: {
                  type: ['string', 'integer', 'number', 'boolean']
                }
              }
            }
          }
        },
        scope: {
          type: 'string',
          pattern: '^#\\/properties\\/{1}'
        },
        options: { type: 'object' }
      }
    };
    const schema = {
      type: 'object',
      properties: {
        type: {
          type: 'string',
          const: 'Control',
          default: 'Control'
        },
        label: { type: 'string' },
        scope: { $ref: '#/definitions/scope' },
        options: { $ref: '#/definitions/options' },
        rule: { $ref: '#/definitions/rule' }
      }
    };
    const calculatedSchemaReferences = makeSchemaSelfContained(
      parentSchema,
      schema
    );
    const expectedSchema = {
      ...schema,
      ...{
        definitions: _.pick(parentSchema.definitions, [
          'scope',
          'options',
          'rule'
        ])
      }
    };
    expect(calculatedSchemaReferences).toMatchObject(expectedSchema);
  });

  test('make schema without references self-contained', () => {
    const parentSchema = {
      type: 'object',
      properties: {
        foo: {
          type: 'object',
          properties: {
            bar: { type: 'string' }
          }
        }
      }
    };
    const schema = {
      type: 'object',
      properties: {
        bar: { type: 'string' }
      }
    };
    const calculatedSchemaReferences = makeSchemaSelfContained(
      parentSchema,
      schema
    );
    expect(calculatedSchemaReferences).toMatchObject(schema);
  });

  test('make schema with missing reference definition self-contained', () => {
    const parentSchema: JsonSchema7 = {
      type: 'object',
      properties: {
        type: { type: 'string' },
        label: { type: 'string' },
        elements: { $ref: '#/definitions/elements' }
      }
    };
    const schema = {
      type: 'object',
      properties: {
        type: {
          type: 'string',
          const: 'Control',
          default: 'Control'
        },
        label: { type: 'string' },
        scope: { $ref: '#/definitions/scope' }
      }
    };
    const calculatedSchemaReferences = makeSchemaSelfContained(
      parentSchema,
      schema
    );
    expect(calculatedSchemaReferences).toMatchObject(schema);
  });

  test('make schema with renamed definitions block self-contained', () => {
    const parentSchema = {
      type: 'object',
      properties: {
        type: { type: 'string' },
        label: { type: 'string' },
        elements: { $ref: '#/defs/elements' }
      },
      defs: {
        elements: {
          type: 'array',
          items: {
            anyOf: [
              { $ref: '#/defs/control' },
              { $ref: '#/defs/horizontallayout' }
            ]
          }
        },
        control: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              const: 'Control',
              default: 'Control'
            },
            label: { type: 'string' },
            scope: { $ref: '#/defs/scope' }
          }
        },
        horizontallayout: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              const: 'HorizontalLayout',
              default: 'HorizontalLayout'
            },
            elements: { $ref: '#/defs/elements' }
          }
        },
        scope: {
          type: 'string',
          pattern: '^#\\/properties\\/{1}'
        }
      }
    };
    const schema = {
      type: 'object',
      properties: {
        type: {
          type: 'string',
          const: 'Control',
          default: 'Control'
        },
        label: { type: 'string' },
        scope: { $ref: '#/defs/scope' }
      }
    };
    const calculatedSchemaReferences = makeSchemaSelfContained(
      parentSchema,
      schema
    );
    const expectedSchema = {
      ...schema,
      ...{
        defs: _.pick(parentSchema.defs, ['scope'])
      }
    };
    expect(calculatedSchemaReferences).toMatchObject(expectedSchema);
  });

  test('Find properties by resolving circular references in a given schema ', () => {
    const schema: JsonSchema7 = {
      type: 'object',
      properties: {
        type: {
          type: 'string',
          enum: ['HorizontalLayout', 'VerticalLayout']
        },
        label: {
          type: 'string'
        },
        elements: {
          $ref: '#/definitions/elements'
        }
      },
      definitions: {
        elements: {
          type: 'array',
          items: {
            anyOf: [
              {
                $ref: '#/definitions/control'
              },
              {
                $ref: '#/definitions/horizontallayout'
              },
              {
                $ref: '#/definitions/verticallayout'
              }
            ]
          }
        },
        control: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              const: 'Control',
              default: 'Control'
            },
            label: {
              type: 'string'
            }
          }
        },
        horizontallayout: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              const: 'HorizontalLayout',
              default: 'HorizontalLayout'
            },
            elements: {
              $ref: '#/definitions/elements'
            }
          }
        },
        verticallayout: {
          type: 'object',
          properties: {
            type: {
              type: 'string',
              const: 'VerticalLayout',
              default: 'VerticalLayout'
            },
            elements: {
              $ref: '#/definitions/elements'
            }
          }
        }
      }
    };
    const properties = findContainerProperties(schema, schema, false);
    const expectedProperties = [
      {
        property: 'elements',
        label: 'control',
        schema: schema.definitions.control
      },
      {
        property: 'elements',
        label: 'horizontallayout',
        schema: {
          type: 'object',
          properties: schema.definitions.horizontallayout.properties,
          definitions: schema.definitions
        }
      },
      {
        property: 'elements',
        label: 'verticallayout',
        schema: {
          type: 'object',
          properties: schema.definitions.verticallayout.properties,
          definitions: schema.definitions
        }
      }
    ];
    expect(properties).toMatchObject(expectedProperties);
  });
});