/*
Copyright 2023 Yarmo Mackenbach

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
export const profile = {
  $schema: 'https://json-schema.org/draft/2020-12/schema',
  $id: 'https://spec.keyoxide.org/2/profile.schema.json',
  title: 'Profile',
  description: 'Keyoxide profile with personas',
  type: 'object',
  properties: {
    profileVersion: {
      description: 'The version of the profile',
      type: 'integer'
    },
    profileType: {
      description: 'The type of the profile [openpgp, asp]',
      type: 'string'
    },
    identifier: {
      description: 'Identifier of the profile (email, fingerprint, URI)',
      type: 'string'
    },
    personas: {
      description: 'The personas inside the profile',
      type: 'array',
      items: {
        $ref: 'https://spec.keyoxide.org/2/persona.schema.json'
      },
      minItems: 1,
      uniqueItems: true
    },
    primaryPersonaIndex: {
      description: 'The index of the primary persona',
      type: 'integer'
    },
    publicKey: {
      description: 'The cryptographic key associated with the profile',
      type: 'object',
      properties: {
        keyType: {
          description: 'The type of cryptographic key [eddsa, es256, openpgp, none]',
          type: 'string'
        },
        encoding: {
          description: 'The encoding of the cryptographic key [pem, jwk, armored_pgp, none]',
          type: 'string'
        },
        encodedKey: {
          description: 'The encoded cryptographic key (PEM, stringified JWK, ...)',
          type: ['string', 'null']
        },
        fetch: {
          description: 'Details on how to fetch the public key',
          type: 'object',
          properties: {
            method: {
              description: 'The method to fetch the key [aspe, hkp, wkd, http, none]',
              type: 'string'
            },
            query: {
              description: 'The query to fetch the key',
              type: ['string', 'null']
            },
            resolvedUrl: {
              description: 'The URL the method eventually resolved to',
              type: ['string', 'null']
            }
          }
        }
      },
      required: [
        'keyType',
        'fetch'
      ]
    },
    verifiers: {
      description: 'A list of links to verifiers',
      type: 'array',
      items: {
        type: 'object',
        properties: {
          name: {
            description: 'Name of the verifier site',
            type: 'string'
          },
          url: {
            description: 'URL to the profile page on the verifier site',
            type: 'string'
          }
        }
      },
      uniqueItems: true
    }
  },
  required: [
    'profileVersion',
    'profileType',
    'identifier',
    'personas',
    'primaryPersonaIndex',
    'publicKey',
    'verifiers'
  ],
  additionalProperties: false
}

export const persona = {
  $schema: 'https://json-schema.org/draft/2020-12/schema',
  $id: 'https://spec.keyoxide.org/2/persona.schema.json',
  title: 'Profile',
  description: 'Keyoxide persona with identity claims',
  type: 'object',
  properties: {
    identifier: {
      description: 'Identifier of the persona',
      type: ['string', 'null']
    },
    name: {
      description: 'Name of the persona',
      type: 'string'
    },
    email: {
      description: 'Email address of the persona',
      type: ['string', 'null']
    },
    description: {
      description: 'Description of the persona',
      type: ['string', 'null']
    },
    avatarUrl: {
      description: 'URL to an avatar image',
      type: ['string', 'null']
    },
    themeColor: {
      description: 'Profile page theme color',
      type: ['string', 'null']
    },
    isRevoked: {
      type: 'boolean'
    },
    claims: {
      description: 'A list of identity claims',
      type: 'array',
      items: {
        $ref: 'https://spec.keyoxide.org/2/claim.schema.json'
      },
      uniqueItems: true
    }
  },
  required: [
    'name',
    'claims'
  ],
  additionalProperties: false
}

export const claim = {
  $schema: 'https://json-schema.org/draft/2020-12/schema',
  $id: 'https://spec.keyoxide.org/2/claim.schema.json',
  title: 'Identity claim',
  description: 'Verifiable online identity claim',
  type: 'object',
  properties: {
    claimVersion: {
      description: 'The version of the claim',
      type: 'integer'
    },
    uri: {
      description: 'The claim URI',
      type: 'string'
    },
    proofs: {
      description: 'The proofs that would verify the claim',
      type: 'array',
      items: {
        type: 'string'
      },
      minItems: 1,
      uniqueItems: true
    },
    matches: {
      description: 'Service providers matched to the claim',
      type: 'array',
      items: {
        $ref: 'https://spec.keyoxide.org/2/serviceprovider.schema.json'
      },
      uniqueItems: true
    },
    status: {
      type: 'integer',
      description: 'Claim status code'
    },
    display: {
      type: 'object',
      properties: {
        profileName: {
          type: 'string',
          description: 'Account name to display in the user interface'
        },
        profileUrl: {
          type: ['string', 'null'],
          description: 'Profile URL to link to in the user interface'
        },
        proofUrl: {
          type: ['string', 'null'],
          description: 'Proof URL to link to in the user interface'
        },
        serviceProviderName: {
          type: ['string', 'null'],
          description: 'Name of the service provider to display in the user interface'
        },
        serviceProviderId: {
          type: ['string', 'null'],
          description: 'Id of the service provider'
        }
      }
    }
  },
  required: [
    'claimVersion',
    'uri',
    'proofs',
    'status',
    'display'
  ],
  additionalProperties: false
}

export const serviceprovider = {
  $schema: 'https://json-schema.org/draft/2020-12/schema',
  $id: 'https://spec.keyoxide.org/2/serviceprovider.schema.json',
  title: 'Service provider',
  description: 'A service provider that can be matched to identity claims',
  type: 'object',
  properties: {
    about: {
      description: 'Details about the service provider',
      type: 'object',
      properties: {
        name: {
          description: 'Full name of the service provider',
          type: 'string'
        },
        id: {
          description: 'Identifier of the service provider (no whitespace or symbols, lowercase)',
          type: 'string'
        },
        homepage: {
          description: 'URL to the homepage of the service provider',
          type: ['string', 'null']
        }
      }
    },
    profile: {
      description: 'What the profile would look like if the match is correct',
      type: 'object',
      properties: {
        display: {
          description: 'Profile name to be displayed',
          type: 'string'
        },
        uri: {
          description: 'URI or URL for public access to the profile',
          type: 'string'
        },
        qr: {
          description: 'URI or URL associated with the profile usually served as a QR code',
          type: ['string', 'null']
        }
      }
    },
    claim: {
      description: 'Details from the claim matching process',
      type: 'object',
      properties: {
        uriRegularExpression: {
          description: 'Regular expression used to parse the URI',
          type: 'string'
        },
        uriIsAmbiguous: {
          description: 'Whether this match automatically excludes other matches',
          type: 'boolean'
        }
      }
    },
    proof: {
      description: 'Information for the proof verification process',
      type: 'object',
      properties: {
        request: {
          description: 'Details to request the potential proof',
          type: 'object',
          properties: {
            uri: {
              description: 'Location of the proof',
              type: ['string', 'null']
            },
            accessRestriction: {
              description: 'Type of access restriction [none, nocors, granted, server]',
              type: 'string'
            },
            fetcher: {
              description: 'Name of the fetcher to use',
              type: 'string'
            },
            data: {
              description: 'Data needed by the fetcher or proxy to request the proof',
              type: 'object',
              additionalProperties: true
            }
          }
        },
        response: {
          description: 'Details about the expected response',
          type: 'object',
          properties: {
            format: {
              description: 'Expected format of the proof [text, json]',
              type: 'string'
            }
          }
        },
        target: {
          description: 'Details about the target located in the response',
          type: 'array',
          items: {
            type: 'object',
            properties: {
              format: {
                description: 'How is the proof formatted [uri, fingerprint]',
                type: 'string'
              },
              encoding: {
                description: 'How is the proof encoded [plain, html, xml]',
                type: 'string'
              },
              relation: {
                description: 'How are the response and the target related [contains, equals]',
                type: 'string'
              },
              path: {
                description: 'Path to the target location if the response is JSON',
                type: 'array',
                items: {
                  type: 'string'
                }
              }
            }
          }
        }
      }
    }
  },
  required: [
    'about',
    'profile',
    'claim',
    'proof'
  ],
  additionalProperties: false
}