import { apiFetch } from "./client";

export interface EvidenceUnit {
  id: string; title: string; kind: string; language: string; purposes: string[];
  applies_to: { concepts: string[]; tables: string[]; columns: string[] };
  payload: Record<string, string | string[] | Record<string, string>>;
  provenance: { kind?: "manual"; declared_by?: string; source_file?: string; supporting_excerpts?: string[];
    original?: { source_file: string; supporting_excerpts: string[] } | null };
  review_items: Array<{ code: string; message: string; field?: string }>;
  file: string; status: string; revision: string;
}
export interface EvidencePage {
  source_reviews?: EvidenceSourceReview[];
  items: EvidenceUnit[]; item?: EvidenceUnit; total: number; page: number; page_size: number;
  errors: Array<{ file: string; message: string }>; initialized: boolean;
  active_revision: string | null; pending_revision: string | null;
  location: { repository: string | null; workspace: string | null; runtime_workspace: string;
    host: string; command: string; git_commands: string[] };
}

export interface EvidenceSourceReview {
  id: string; uri: string; revision: string; availability: "available" | "missing";
  status: "review" | "applying" | "accepted" | "kept"; decision?: "keep" | "replace";
  current?: EvidenceUnit[]; proposed: EvidenceUnit[]; removed_ids?: string[]; suppressed?: boolean;
}
export type EvidenceSourceAction = { action: "refresh" } | {
  action: "decide"; sourceId: string; revision: string; decision: "keep" | "replace";
};
export async function actOnEvidenceSources(workspace: string, action: EvidenceSourceAction) {
  const result = await apiFetch<{status: string; warnings?: string[]}>(
    `/workspaces/${encodeURIComponent(workspace)}/evidence/sources`, {method: "POST", body: JSON.stringify(action)});
  if (result.status !== "succeeded") throw new Error(result.warnings?.join(" ") || "Source operation failed.");
  return result;
}
export function listEvidence(workspace: string, filters: Record<string, string | number> = {}) {
  const params = new URLSearchParams();
  for (const [key, value] of Object.entries(filters)) if (value !== "") params.set(key, String(value));
  return apiFetch<EvidencePage>(`/workspaces/${encodeURIComponent(workspace)}/evidence?${params}`);
}
export function getEvidence(workspace: string, id: string) {
  return apiFetch<EvidencePage>(`/workspaces/${encodeURIComponent(workspace)}/evidence/${encodeURIComponent(id)}`);
}