import type { CatalogProperty, Search } from 'udp-stencil-component-library';
// ── Intent (what the model emits via the propose tool) ──
//
// The model never produces a raw Search object. It produces this declarative
// intermediate representation; compile.ts turns it into Search/columns state
// deterministically (group ids, operator strings, value joining all happen
// in code, not in the model).
export type AiOperator = 'equals' | 'not_equals' | 'contains' | 'starts_with' | 'greater_than' | 'greater_than_or_equal' | 'less_than' | 'less_than_or_equal' | 'between' | 'in' | 'not_in' | 'is_empty' | 'is_not_empty';
export interface AiCondition {
    field: string;
    operator: AiOperator;
    /** Single-value operators (equals, contains, greater_than, ...) */
    value?: string;
    /** Multi-value operators: between (exactly 2), in / not_in (1..500) */
    values?: string[];
}
export interface AiConditionGroup {
    op: 'and' | 'or';
    conditions: AiCondition[];
}
/**
 * Full replacement of the filter state: direct root conditions plus at most
 * one level of subgroups — mirroring the advanced search builder's max depth.
 */
export interface AiFilterSpec {
    op: 'and' | 'or';
    conditions: AiCondition[];
    groups?: AiConditionGroup[];
}
export interface AiSortSpec {
    field: string;
    direction: 'ASC' | 'DESC';
}
export type AiAggregateOperation = 'COUNT' | 'SUM' | 'MIN' | 'MAX' | 'AVG';
export interface AiGroupingSpec {
    groupBy: string[];
    aggregates: {
        field: string;
        operation: AiAggregateOperation;
    }[];
}
/** Column visibility changes. showOnly wins over show/hide when present. */
export interface AiColumnSpec {
    showOnly?: string[];
    show?: string[];
    hide?: string[];
}
/**
 * Sections set to null (or omitted) are left unchanged; a present-but-empty
 * section clears that part of the query. Declarative full-state per section.
 */
export interface QueryIntent {
    explanation: string;
    filters?: AiFilterSpec | null;
    sorts?: AiSortSpec[] | null;
    grouping?: AiGroupingSpec | null;
    columns?: AiColumnSpec | null;
    pageSize?: number | null;
}
// ── Schema context (what the model is told about the queryable surface) ──
//
// This is the normalized contract every host adapts its own schema source to:
// Data Builder derives it from the product catalog, a grid host from its
// column definitions or catalogModification. Hosts with richer context
// (relationships, entity lists) extend this shape with their own fields.
export interface AiFilterField {
    /** Dot path as the search API expects it, e.g. "startDate" or "AssignmentPosition.positionName" */
    path: string;
    /** Normalized type: guid | string | number | boolean | date | datetime | time */
    type: string;
}
export interface AiColumnInfo {
    name: string;
    type: string;
    orderable: boolean;
    aggregatable: boolean;
    visible: boolean;
}
export interface AiSearchSchemaContext {
    /** Capitalized simple entity name, e.g. "Assignment" */
    entityName: string;
    filterFields: AiFilterField[];
    columns: AiColumnInfo[];
}
// ── Compiled output ──
export interface CompiledSearchChanges {
    searchBody: Search;
    columns: CatalogProperty[];
}
// ── Proposal diff presented to the user ──
export interface AiDiffLine {
    kind: 'filters' | 'sorts' | 'grouping' | 'columns' | 'pageSize';
    text: string;
}
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