import type { ImportSettings, Invoice } from "../drizzle/schema";
import { findMatchingExportRule } from "@shared/exportAutomation";
import { getExportAutomationRulesByUser } from "./db";

export type ResolvedExportDestination = {
  exportMode: "browser" | "folder" | "both";
  destinationPath: string | null;
  destinationType: "local" | "teams" | "sharepoint";
  source: "rule" | "default";
  ruleName?: string;
};

/**
 * Résout une destination pour une validation BAP. Une règle active ciblant le
 * destinataire ou la ventilation est prioritaire sur les anciens paramètres
 * globaux, qui restent le comportement de repli pour préserver l’existant.
 */
export async function resolveBapExportDestination(
  userId: number,
  invoice: Pick<Invoice, "recipientName" | "ventilationComptable">,
  settings: ImportSettings | null,
): Promise<ResolvedExportDestination> {
  const rules = await getExportAutomationRulesByUser(userId);
  const matchingRule = findMatchingExportRule(rules, invoice);

  if (matchingRule) {
    return {
      exportMode: matchingRule.openInBrowser === 1 ? "both" : "folder",
      destinationPath: matchingRule.destinationPath,
      destinationType: matchingRule.destinationType,
      source: "rule",
      ruleName: matchingRule.name,
    };
  }

  return {
    exportMode: settings?.bapExportMode || "browser",
    destinationPath: settings?.exportFolder || null,
    destinationType: settings?.exportFolderType || "local",
    source: "default",
  };
}