import type { ShapeID } from '../../rendering-util/rendering-elements/shapes.js';
import type { AgentflowDiagnostic } from './diagnostics.js';
/**
 * Valid `type` args to `yy.addVertex` taken from
 * `packages/mermaid/src/diagrams/flowchart/parser/flow.jison`.
 *
 * v0.8.1: shapes the spec calls "removed" still appear here because the
 * grammar continues to accept the inline syntax (e.g. `id((text))` for
 * circle). The DB then rejects them with a `SHAPE_REMOVED` diagnostic.
 */
export type FlowVertexTypeParam = undefined | 'square' | 'doublecircle' | 'circle' | 'ellipse' | 'stadium' | 'subroutine' | 'rect' | 'cylinder' | 'round' | 'diamond' | 'hexagon' | 'odd' | 'trapezoid' | 'inv_trapezoid' | 'lean_right' | 'lean_left';
/**
 * Derived semantic kind of a vertex. v0.8.1 values:
 *
 * - `'tool'` — resolved shape is `subroutine` (alias `tool`)
 * - `'action'` — resolved shape is `hexagon` (alias `action`); call to
 *   another flow exposed via MCP (§16.7).
 * - `'input'` — resolved shape is `lean-right` (alias `input`).
 * - `'refdoc'` — resolved shape is `lin-doc` (alias `refdoc`).
 * - `'decision'` — resolved shape is `diamond` (alias `decision`).
 * - `'connector'` — declared with the `connector` keyword.
 * - `'task'` — default rounded-rectangle node.
 */
export type VertexKind = 'tool' | 'action' | 'input' | 'refdoc' | 'decision' | 'connector' | 'task';
export interface FlowVertex {
    classes: string[];
    dir?: string;
    domId: string;
    haveCallback?: boolean;
    id: string;
    labelType: 'markdown' | 'string' | 'text';
    link?: string;
    linkTarget?: string;
    props?: any;
    styles: string[];
    text?: string;
    type?: ShapeID | FlowVertexTypeParam;
    metadata?: Record<string, unknown>;
    /** Set by `addConnector` to mark a node declared with the `connector` keyword. */
    isConnector?: boolean;
}
export interface FlowText {
    text: string;
    type: 'text';
}
/**
 * Canonical per-operator semantic, per the agentflow syntax specification
 * §5.1 (v0.8.1). See ./README.md for what these section numbers refer to.
 * Populated on every edge produced by one of the three operators; left
 * `undefined` only for malformed edges.
 *
 * - `sequence` ← `-->` (execution order)
 * - `reference` ← `-.-` (reference-doc attachment, non-directional)
 * - `failure` ← `--x` (failure / cancellation / escalation)
 */
export type EdgeSemantic = 'sequence' | 'reference' | 'failure';
export interface FlowEdge {
    isUserDefinedId: boolean;
    start: string;
    end: string;
    interpolate?: string;
    type?: string;
    stroke?: 'normal' | 'thick' | 'invisible' | 'dotted';
    /** Canonical §5.1 semantic. See {@link EdgeSemantic}. */
    edgeSemantic?: EdgeSemantic;
    style?: string[];
    length?: number;
    text: string;
    labelType: 'markdown' | 'string' | 'text';
    classes: string[];
    id?: string;
    animation?: 'fast' | 'slow';
    animate?: boolean;
    /** Per-edge metadata. v0.8.1 permits only `instruction`. */
    metadata?: Record<string, unknown>;
}
export interface FlowClass {
    id: string;
    styles: string[];
    textStyles: string[];
}
export interface FlowSubGraph {
    classes: string[];
    dir?: string;
    id: string;
    labelType: string;
    nodes: string[];
    title: string;
    /** v0.8.1: the only container kind is `flow`. */
    type?: 'flow';
    metadata?: Record<string, unknown>;
}
export interface FlowLink {
    length?: number;
    stroke: string;
    type: string;
    text?: string;
}
/** Position of an element in the original diagram source. */
export interface ElementPosition {
    startLine: number;
    startColumn: number;
    endLine: number;
    endColumn: number;
    startIndex: number;
    endIndex: number;
}
/**
 * The kinds of top-level statements agentflow currently emits mappings for.
 *
 * `attachment` marks a standalone `id@{ ... }` metadata block on a bare
 * reference — it annotates an element declared elsewhere rather than
 * declaring one, so consumers can tell it apart from a declaration's
 * `vertex` mapping (issue #75).
 */
export type AgentflowStatementType = 'vertex' | 'edge' | 'subgraph' | 'connector' | 'attachment';
/** A single element-to-position mapping. */
export interface AgentflowElementMapping {
    id: string;
    type: AgentflowStatementType;
    position: ElementPosition;
}
/** A vertex as seen by downstream semantic tooling. */
export interface SemanticVertex {
    id: string;
    /** Human-readable label as authored. */
    label?: string;
    /** Shape carries meaning in agentflow (diamond ≠ hexagon ≠ subroutine etc.). */
    shape?: string;
    /** Derived semantic kind. See {@link VertexKind}. */
    vertexKind?: VertexKind;
    /** Domain metadata authored on this vertex. */
    metadata?: Record<string, unknown>;
}
/** An edge as seen by downstream semantic tooling. */
export interface SemanticEdge {
    start: string;
    end: string;
    /** Author-assigned edge id when present (e.g. `e1@-->`). */
    id?: string;
    /** Edge label (branch outcome on `-->`). */
    label?: string;
    /** Raw arrow kind — `arrow_point`, `arrow_cross`, `arrow_open`. */
    type?: string;
    /** Stroke classification: `normal`, `dotted`. */
    stroke?: 'normal' | 'thick' | 'invisible' | 'dotted';
    /** Canonical §5.1 semantic. See {@link EdgeSemantic}. */
    edgeSemantic?: EdgeSemantic;
    /** Number of dashes/dots in the operator. */
    length?: number;
    /** Edge-level metadata (only `instruction` in v0.8.1). */
    metadata?: Record<string, unknown>;
}
/** A container in semantic form. v0.8.1: only `flow`. */
export interface SemanticSubGraph {
    id: string;
    /** Container kind — always `flow` in v0.8.1. */
    type?: string;
    title?: string;
    /** IDs of direct member elements. */
    nodes: string[];
    /** Domain metadata from `@{...}` blocks on the container. */
    metadata?: Record<string, unknown>;
    /** Optional direction override (`TB` / `BT` / `LR` / `RL` / `TD`). */
    direction?: string;
}
/** A connector declared with the `connector` keyword (§8). */
export interface SemanticConnector {
    id: string;
    title?: string;
    /** Domain metadata from `@{...}` on the connector. */
    metadata?: Record<string, unknown>;
}
/**
 * The projection returned by `AgentFlowDB.getSemanticModel()`. v0.8.1
 * removes `typeDeclarations` and `templateDeclarations` and adds
 * `connectors` for the new keyword.
 */
export interface AgentflowSemanticModel {
    /** Top-level diagram direction. */
    direction?: string;
    vertices: SemanticVertex[];
    edges: SemanticEdge[];
    subGraphs: SemanticSubGraph[];
    connectors: SemanticConnector[];
    /**
     * Structured warnings/errors raised against this diagram. Callers should
     * invoke `getData()` (which runs post-parse validators) at least once
     * before reading `getSemanticModel()` so all validators have fired.
     */
    diagnostics: readonly AgentflowDiagnostic[];
}