import type { PrecheckDecision, PrecheckResponse } from "../api/feeControl";

function decisionLabel(decision: PrecheckDecision) {
  if (decision === "pass") return "通过";
  if (decision === "warn") return "预警";
  if (decision === "manual_review") return "需人工复核";
  return "阻断";
}

export function buildPrecheckDialogMessage(precheck: PrecheckResponse) {
  const lines = [`提交前校验结果：${decisionLabel(precheck.decision)}`];

  if (precheck.matchedBudgetControlRule) {
    lines.push(`命中规则：${precheck.matchedBudgetControlRule.name}（${precheck.matchedBudgetControlRule.controlMode}）`);
  }

  if (precheck.blockingReasons.length) {
    lines.push("", "阻断原因：");
    precheck.blockingReasons.forEach((item, index) => {
      lines.push(`${index + 1}. ${item.title}${item.detail ? `：${item.detail}` : ""}`);
    });
  }

  if (precheck.warnings.length) {
    lines.push("", "预警信息：");
    precheck.warnings.forEach((item, index) => {
      lines.push(`${index + 1}. ${item.title}${item.detail ? `：${item.detail}` : ""}`);
    });
  }

  if (precheck.riskFlags.length) {
    lines.push("", "风险项：");
    precheck.riskFlags.forEach((item, index) => {
      lines.push(`${index + 1}. [${item.level}] ${item.title}${item.detail ? `：${item.detail}` : ""}`);
    });
  }

  if (precheck.nextActions.length) {
    lines.push("", "下一步建议：");
    precheck.nextActions.forEach((item, index) => {
      lines.push(`${index + 1}. ${item}`);
    });
  }

  return lines.join("\n");
}