{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "anyOf": [
    {
      "type": "object",
      "properties": {
        "schema_version": {
          "type": "string",
          "const": "2.0"
        },
        "as_of": {
          "type": "string",
          "format": "date-time",
          "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"
        },
        "currency": {
          "type": "string",
          "const": "EUR"
        },
        "locale": {
          "type": "string",
          "const": "el-GR"
        },
        "warnings": {
          "maxItems": 20,
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1,
            "maxLength": 240
          }
        },
        "product": {
          "type": "object",
          "properties": {
            "product_id": {
              "type": "string"
            },
            "title": {
              "type": "string",
              "minLength": 1,
              "maxLength": 220
            },
            "brand": {
              "anyOf": [
                {
                  "type": "string",
                  "minLength": 1,
                  "maxLength": 80
                },
                {
                  "type": "null"
                }
              ]
            },
            "model": {
              "type": "string",
              "minLength": 1,
              "maxLength": 220
            },
            "variant": {
              "anyOf": [
                {
                  "type": "string",
                  "minLength": 1,
                  "maxLength": 180
                },
                {
                  "type": "null"
                }
              ]
            },
            "bestprice_url": {
              "type": "string",
              "format": "uri"
            }
          },
          "required": [
            "product_id",
            "title",
            "brand",
            "model",
            "variant",
            "bestprice_url"
          ],
          "additionalProperties": false
        },
        "postal_code": {
          "type": "string",
          "pattern": "^[0-9]{5}$"
        },
        "objective": {
          "type": "string",
          "enum": [
            "lowest_total_cost",
            "lowest_item_price",
            "merchant_rating"
          ]
        },
        "offers": {
          "maxItems": 10,
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "offer_id": {
                "type": "string",
                "pattern": "^bp_offer_[0-9]+$"
              },
              "merchant_id": {
                "type": "string",
                "pattern": "^bp_merchant_[0-9]+$"
              },
              "merchant_name": {
                "type": "string",
                "minLength": 1,
                "maxLength": 100,
                "description": "Sanitized public BestPrice store name."
              },
              "merchant_rating": {
                "anyOf": [
                  {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 5
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "merchant_rating_count": {
                "anyOf": [
                  {
                    "type": "integer",
                    "minimum": 0,
                    "maximum": 9007199254740991
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "verified_merchant": {
                "type": "boolean",
                "description": "True when this is a BestPrice-certified store (Πιστοποιημένο κατάστημα)."
              },
              "offer_title": {
                "type": "string",
                "minLength": 1,
                "maxLength": 220
              },
              "variant": {
                "anyOf": [
                  {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 180
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "item_price": {
                "type": "number",
                "minimum": 0,
                "maximum": 10000000,
                "description": "Current item price in EUR before shipping."
              },
              "shipping_price": {
                "anyOf": [
                  {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 10000000
                  },
                  {
                    "type": "null"
                  }
                ],
                "description": "Known or estimated shipping price in EUR; null means unknown."
              },
              "shipping_status": {
                "type": "string",
                "enum": [
                  "known",
                  "estimated",
                  "unknown"
                ]
              },
              "total_price": {
                "anyOf": [
                  {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 10000000
                  },
                  {
                    "type": "null"
                  }
                ],
                "description": "Delivered total in EUR; null whenever shipping is unknown."
              },
              "availability": {
                "type": "string",
                "enum": [
                  "in_stock",
                  "delivery_1_3_days",
                  "delivery_4_7_days",
                  "delivery_4_10_days",
                  "delivery_8_14_days",
                  "by_order",
                  "to_order",
                  "preorder",
                  "out_of_stock",
                  "unknown"
                ]
              },
              "delivery_estimate": {
                "anyOf": [
                  {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 80
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "ranking_reason": {
                "type": "string",
                "minLength": 1,
                "maxLength": 100
              },
              "price_checked_at": {
                "type": "string",
                "format": "date-time",
                "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"
              }
            },
            "required": [
              "offer_id",
              "merchant_id",
              "merchant_name",
              "merchant_rating",
              "merchant_rating_count",
              "verified_merchant",
              "offer_title",
              "variant",
              "item_price",
              "shipping_price",
              "shipping_status",
              "total_price",
              "availability",
              "delivery_estimate",
              "ranking_reason",
              "price_checked_at"
            ],
            "additionalProperties": false
          }
        }
      },
      "required": [
        "schema_version",
        "as_of",
        "currency",
        "locale",
        "warnings",
        "product",
        "postal_code",
        "objective",
        "offers"
      ],
      "additionalProperties": false
    },
    {
      "type": "object",
      "properties": {
        "schema_version": {
          "type": "string",
          "const": "2.0"
        },
        "as_of": {
          "type": "string",
          "format": "date-time",
          "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"
        },
        "currency": {
          "type": "string",
          "const": "EUR"
        },
        "locale": {
          "type": "string",
          "const": "el-GR"
        },
        "warnings": {
          "maxItems": 20,
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1,
            "maxLength": 240
          }
        },
        "error": {
          "type": "object",
          "properties": {
            "code": {
              "type": "string",
              "pattern": "^[A-Z][A-Z0-9_]{2,63}$"
            },
            "message": {
              "type": "string",
              "minLength": 1,
              "maxLength": 240
            },
            "retryable": {
              "type": "boolean"
            }
          },
          "required": [
            "code",
            "message",
            "retryable"
          ],
          "additionalProperties": false
        }
      },
      "required": [
        "schema_version",
        "as_of",
        "currency",
        "locale",
        "warnings",
        "error"
      ],
      "additionalProperties": false
    }
  ]
}