// Copyright 2026 The OPA Authors.  All rights reserved.
// Use of this source code is governed by an Apache2
// license that can be found in the LICENSE file.

edition = "2023";

package opa.bundle.v1;

import "google/protobuf/struct.proto";

option go_package = "github.com/open-policy-agent/opa/v1/bundle/v1pb";
option java_multiple_files = true;

// Manifest mirrors `bundle.Manifest` in v1/bundle/bundle.go.
message Manifest {
  // Bundle revision string.
  string revision = 1;

  // Root paths the bundle owns. See `roots_set` for nil-vs-empty.
  repeated string roots = 2;

  // Wasm resolvers attached to the bundle. JSON key is `wasm`.
  repeated WasmResolver wasm = 3;

  // Global Rego version for the bundle. Currently 0 (RegoV0) or 1 (RegoV1).
  int32 rego_version = 4;

  // Per-file Rego version overrides keyed by file path.
  map<string, int32> file_rego_versions = 5;

  // Free-form metadata object. Modeled as `Struct` because the Go field
  // is `map[string]any`.
  google.protobuf.Struct metadata = 6;

  // True if `bundle.Manifest.Roots` was non-nil. `repeated string` can't
  // distinguish nil (default to [""]) from explicit-empty (owns no paths).
  bool roots_set = 7;
}

// WasmResolver mirrors `bundle.WasmResolver` in v1/bundle/bundle.go.
message WasmResolver {
  // Entrypoint policy ref this resolver targets.
  string entrypoint = 1;

  // Path to the wasm module within the bundle.
  string module = 2;

  // Rego annotations attached to the entrypoint.
  repeated Annotations annotations = 3;
}

// Annotations mirrors `ast.Annotations` in v1/ast/annotations.go.
message Annotations {
  string scope = 1;
  string title = 2;
  bool entrypoint = 3;
  string description = 4;
  repeated string organizations = 5;
  repeated RelatedResourceAnnotation related_resources = 6;
  repeated AuthorAnnotation authors = 7;
  repeated SchemaAnnotation schemas = 8;
  CompileAnnotation compile = 9;

  // `custom` and `labels` are `map[string]any` in Go — genuinely
  // free-form, so `Struct` is the right model.
  google.protobuf.Struct custom = 10;
  google.protobuf.Struct labels = 11;

  Location location = 12;
}

// SchemaAnnotation mirrors `ast.SchemaAnnotation`. Path/Schema are
// `ast.Ref` in Go (a list of terms); the wire form is the canonical
// dotted ref string (e.g. `data.foo.bar`). Modeling the term tree
// faithfully would pull most of the AST into this schema and isn't
// worth the cost for annotations.
message SchemaAnnotation {
  string path = 1;
  string schema = 2;
  // `*any` on the Go side — a parsed JSON Schema document or any
  // JSON value. `Value` (not `Struct`) because the top level may be
  // a scalar, list, or null, not just an object.
  google.protobuf.Value definition = 3;
}

// CompileAnnotation mirrors `ast.CompileAnnotation`. Refs are the
// canonical dotted form; see SchemaAnnotation for the trade-off.
message CompileAnnotation {
  repeated string unknowns = 1;
  string mask_rule = 2;
}

// AuthorAnnotation mirrors `ast.AuthorAnnotation`.
message AuthorAnnotation {
  string name = 1;
  string email = 2;
}

// RelatedResourceAnnotation mirrors `ast.RelatedResourceAnnotation`.
// `Ref` is a `url.URL` in Go, serialized to its `String()` form.
message RelatedResourceAnnotation {
  string ref = 1;
  string description = 2;
}

// Location mirrors `ast.Location` (= `location.Location`). Only the
// File/Row/Col triple is wire-relevant; `Text`, `Offset`, and `Tabs`
// are tagged `json:"-"` and intentionally absent.
//
// Distinct from `ir.Location`, which is promoted onto the `Stmt`
// envelope in plan.proto. The two are independent Go types.
message Location {
  string file = 1;
  int32 row = 2;
  int32 col = 3;
}