{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "go-proxy providers file",
  "oneOf": [
    {
      "type": "object"
    },
    {
      "type": "null"
    }
  ],
  "patternProperties": {
    "^[a-zA-Z0-9_-]+$": {
      "title": "Proxy entry",
      "type": "object",
      "properties": {
        "scheme": {
          "title": "Proxy scheme (http, https, tcp, udp)",
          "oneOf": [
            {
              "type": "string",
              "enum": [
                "http",
                "https",
                "tcp",
                "udp",
                "tcp:tcp",
                "udp:udp",
                "tcp:udp",
                "udp:tcp"
              ]
            },
            {
              "type": "null",
              "description": "Auto detect base on port format"
            }
          ]
        },
        "host": {
          "default": "localhost",
          "oneOf": [
            {
              "type": "null",
              "description": "localhost (default)"
            },
            {
              "type": "string",
              "format": "ipv4",
              "description": "Proxy to ipv4 address"
            },
            {
              "type": "string",
              "format": "ipv6",
              "description": "Proxy to ipv6 address"
            },
            {
              "type": "string",
              "format": "hostname",
              "description": "Proxy to hostname"
            }
          ],
          "title": "Proxy host (ipv4 / ipv6 / hostname)"
        },
        "port": {},
        "no_tls_verify": {},
        "path_patterns": {},
        "set_headers": {},
        "hide_headers": {}
      },
      "additionalProperties": false,
      "allOf": [
        {
          "if": {
            "properties": {
              "scheme": {
                "anyOf": [
                  {
                    "enum": ["http", "https"]
                  },
                  {
                    "type": "null"
                  }
                ]
              }
            }
          },
          "then": {
            "properties": {
              "port": {
                "markdownDescription": "Proxy port from **1** to **65535**",
                "oneOf": [
                  {
                    "type": "string",
                    "pattern": "^\\d{1,5}$",
                    "patternErrorMessage": "`port` must be a number"
                  },
                  {
                    "type": "integer",
                    "minimum": 1,
                    "maximum": 65535
                  }
                ]
              },
              "path_patterns": {
                "oneOf": [
                  {
                    "type": "array",
                    "markdownDescription": "A list of [path patterns](https://pkg.go.dev/net/http#hdr-Patterns-ServeMux)",
                    "items": {
                      "type": "string",
                      "pattern": "^((GET|POST|DELETE|PUT|PATCH|HEAD|OPTIONS|CONNECT)\\s)?(/(\\w*|{\\w*}|{\\$}))+/?$",
                      "patternErrorMessage": "invalid path pattern"
                    }
                  },
                  {
                    "type": "null",
                    "description": "No proxy path"
                  }
                ]
              },
              "set_headers": {
                "type": "object",
                "description": "Proxy headers to set",
                "additionalProperties": {
                  "items": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  }
                }
              },
              "hide_headers": {
                "type": "array",
                "description": "Proxy headers to hide",
                "items": {
                  "type": "string"
                }
              }
            }
          },
          "else": {
            "properties": {
              "port": {
                "markdownDescription": "`listening port:proxy port` or `listening port:service name`",
                "type": "string",
                "pattern": "^[0-9]+\\:[0-9a-z]+$",
                "patternErrorMessage": "invalid syntax"
              },
              "no_tls_verify": {
                "not": true
              },
              "path_patterns": {
                "not": true
              },
              "set_headers": {
                "not": true
              },
              "hide_headers": {
                "not": true
              }
            },
            "required": ["port"]
          }
        },
        {
          "if": {
            "properties": {
              "scheme": {
                "const": "https"
              }
            }
          },
          "then": {
            "properties": {
              "no_tls_verify": {
                "description": "Disable TLS verification for https proxy",
                "type": "boolean",
                "default": false
              }
            }
          },
          "else": {
            "properties": {
              "no_tls_verify": {
                "not": true
              }
            }
          }
        }
      ]
    }
  },
  "additionalProperties": false
}