{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://wai.transaction.science/schema/wai.json/1",
  "title": "wai.json, a WAI project file, version 1",
  "description": "The project file `wai create` writes and `wai dev`, `wai app check`, `wai create`, `wai lock`, `wai check` and `wai build` read. Every member is optional; a member not listed here is refused. Paths are relative to the file's directory. A whole number may be written with a zero fraction (4.0 is 4), and none is above 9007199254740991 (2^53 - 1), the largest every JSON reader holds exactly. Secrets never belong in it.",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "$schema": {
      "description": "This schema: an editor or an agent validates the file with it.",
      "const": "https://wai.transaction.science/schema/wai.json/1"
    },
    "wai": {
      "description": "The project file's version. A file without it is of version 1; a reader of version 1 refuses a later one.",
      "const": 1
    },
    "name": {
      "description": "The project's machine name, the name it is deployed by: a DNS label, lowercase letters, digits and hyphens, at most 63, beginning with a letter and not ending with a hyphen. `wai create` names a project for its directory.",
      "type": "string",
      "pattern": "^[a-z]([a-z0-9-]{0,61}[a-z0-9])?$"
    },
    "template": {
      "description": "The template the project was made from.",
      "type": "string"
    },
    "title": {
      "description": "The project's title, for people.",
      "type": "string"
    },
    "summary": {
      "description": "One line on what the project does.",
      "type": "string"
    },
    "app": {
      "description": "A program made with Create (app.oui), which the project's page renders: a path relative to the file.",
      "type": "string"
    },
    "requires": {
      "description": "What the project needs; `wai check` holds it to this wai's registry.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "capabilities": {
          "description": "The registered capabilities the project needs. One that decodes against a parameter set needs a parameter set named under `priors`.",
          "type": "array",
          "items": { "type": "string" }
        }
      }
    },
    "priors": {
      "description": "Each parameter set the project decodes against, by the name it goes by: a path relative to the file, a directory (a wai.prior.set, whose listing is pinned) or one file. `wai lock` pins each by its digest.",
      "type": "object",
      "additionalProperties": { "type": "string" }
    },
    "package": {
      "description": "What `wai build` packages with the reference packager, into dist/.",
      "type": "object",
      "additionalProperties": false,
      "required": ["policy"],
      "properties": {
        "policy": {
          "description": "The packaging policy (wai.pack.policy/1): a path relative to the file. `wai lock` pins its canonical digest.",
          "type": "string"
        },
        "sources": {
          "description": "A component's source by its id, where it is not the one the policy names: a path relative to the file.",
          "type": "object",
          "additionalProperties": { "type": "string" }
        },
        "out": {
          "description": "The package's directory under dist/; `package` when absent.",
          "type": "string"
        }
      }
    },
    "conform": {
      "description": "What the project conforms against.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "suites": {
          "description": "Conformance suites, each <kind>/<suite> as `wai conform --list` names them. `wai lock` pins each corpus by its digest.",
          "type": "array",
          "items": { "type": "string", "pattern": "^[a-z-]+/[a-z-]+$" }
        }
      }
    },
    "targets": {
      "description": "The services the project's operations act on, by the name `--target` gives (`wai target add` writes it). A target is an address and whether it is read-only, never a key: `wai auth login` keeps a key, outside the project, and a member of a target that is not listed here is refused.",
      "type": "object",
      "propertyNames": { "pattern": "^[a-z]([a-z0-9-]{0,61}[a-z0-9])?$", "not": { "const": "local" } },
      "additionalProperties": {
        "type": "object",
        "additionalProperties": false,
        "required": ["url"],
        "properties": {
          "url": {
            "description": "The service's address: http:// or https://, a host in lowercase (an IPv6 literal in brackets), a port of 1 to 65535 and the path the service is under; no user, no query and no fragment.",
            "type": "string",
            "pattern": "^https?://([a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?)*|\\[[0-9a-f:.]+\\])(:([1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]))?(/[A-Za-z0-9._~!$&'()*+,;=:%/-]*)?$"
          },
          "read_only": {
            "description": "Whether every operation that would change the service is refused, before anything is sent.",
            "type": "boolean"
          }
        }
      }
    },
    "dev": {
      "description": "What `wai dev` runs in the project's directory; a flag on its command line wins over each member.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "site": {
          "description": "The directory served at /, the project's own page: a path relative to the file.",
          "type": "string"
        },
        "page": {
          "description": "The page `wai dev` names first when it is ready, a path on its origin.",
          "type": "string"
        },
        "mode": {
          "description": "The room `wai dev` runs: a room, a watch room, a call, a remote desktop room, or a show (a room with co-performance: hosts on camera and an audience that votes).",
          "enum": ["room", "watch", "call", "remote", "show"]
        },
        "publishers": {
          "description": "Publishers at once.",
          "type": "integer",
          "minimum": 0,
          "maximum": 4294967295
        },
        "watch": {
          "description": "A watch room's source: a path relative to the file.",
          "type": "string"
        },
        "watch_ms": {
          "description": "The source's duration in milliseconds, where it is not a WAV file.",
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        },
        "messaging": {
          "description": "A conversation beside the room.",
          "type": "boolean"
        },
        "e2ee": {
          "description": "The room end-to-end encrypted.",
          "type": "boolean"
        },
        "audience": {
          "description": "A show's inputs per viewer per poll; a show's alone.",
          "type": "integer",
          "minimum": 1,
          "maximum": 255
        }
      },
      "if": { "required": ["audience"] },
      "then": { "required": ["mode"], "properties": { "mode": { "const": "show" } } }
    }
  }
}