/**
 * Detail page: show full body_text + separate OCR; no silent truncation.
 */
import fs from "fs";

const path = "src/app/(ops)/mails/[id]/page.tsx";
let src = fs.readFileSync(path, "utf8");

const old = `      <Collapse
        items={[
          {
            key: "body",
            label: "原始正文（排查用�?,
            children: (
              <pre
                className="mono"
                style={{
                  maxHeight: 280,
                  overflow: "auto",
                  margin: 0,
                  whiteSpace: "pre-wrap",
                  lineHeight: 1.5,
                  fontSize: 12,
                }}
              >
                {mail.body_text ||
                  mail.ocr_text ||
                  "(无正�?"}
              </pre>
            ),
          },
        ]}
      />`;

const neu = `      <Collapse
        defaultActiveKey={
          !(mail.body_text || "").trim() && (mail.ocr_text || "").trim()
            ? ["body"]
            : undefined
        }
        items={[
          {
            key: "body",
            label: \`原始正文（排查用）�?\${(mail.body_text || "").length} 字\${
              (mail.ocr_text || "").trim()
                ? \` · OCR \${(mail.ocr_text || "").length} 字\`
                : ""
            }\`,
            children: (
              <div>
                <Typography.Paragraph
                  type="secondary"
                  style={{ marginBottom: 8, fontSize: 12 }}
                >
                  入库原文完整保留，解�?OCR 不会覆盖此字段。可滚动查看全部内容�?
                </Typography.Paragraph>
                <pre
                  className="mono"
                  style={{
                    maxHeight: 480,
                    overflow: "auto",
                    margin: 0,
                    whiteSpace: "pre-wrap",
                    wordBreak: "break-word",
                    lineHeight: 1.5,
                    fontSize: 12,
                    padding: 12,
                    background: "rgba(0,0,0,0.02)",
                    borderRadius: 6,
                  }}
                >
                  {(mail.body_text || "").trim()
                    ? mail.body_text
                    : "(无正�?"}
                </pre>
                {(mail.ocr_text || "").trim() ? (
                  <>
                    <Typography.Text
                      strong
                      style={{ display: "block", marginTop: 16, marginBottom: 8 }}
                    >
                      OCR 文本（附件识别，与原文分开保存）·{" "}
                      {(mail.ocr_text || "").length} �?
                    </Typography.Text>
                    <pre
                      className="mono"
                      style={{
                        maxHeight: 320,
                        overflow: "auto",
                        margin: 0,
                        whiteSpace: "pre-wrap",
                        wordBreak: "break-word",
                        lineHeight: 1.5,
                        fontSize: 12,
                        padding: 12,
                        background: "rgba(0,0,0,0.02)",
                        borderRadius: 6,
                      }}
                    >
                      {mail.ocr_text}
                    </pre>
                  </>
                ) : null}
              </div>
            ),
          },
        ]}
      />`;

if (!src.includes('label: "原始正文（排查用�?')) {
  console.error("collapse block missing");
  process.exit(1);
}

// Replace by finding key markers
const start = src.indexOf('key: "body"');
const labelIdx = src.lastIndexOf("Collapse", start);
const collapseStart = src.lastIndexOf("<Collapse", start);
const endMarker = "TypeOverrideModal";
const end = src.indexOf(endMarker, start);
if (collapseStart < 0 || end < 0) {
  console.error("bounds", collapseStart, end);
  process.exit(1);
}
// find closing of Collapse before TypeOverrideModal
const collapseEnd = src.lastIndexOf("/>", end);
// better: match from <Collapse to /> that closes it
const slice = src.slice(collapseStart, end);
const closeRel = slice.indexOf("/>");
if (closeRel < 0) {
  console.error("no close");
  process.exit(1);
}
// Might be wrong close - find `      />\n\n      <TypeOverride`
const m = src.slice(collapseStart).match(/^[\s\S]*?\n      \/>\n\n      <TypeOverrideModal/);
if (!m) {
  // try without blank
  const m2 = src.slice(collapseStart).match(/^[\s\S]*?\n      \/>\r?\n\r?\n?\s*<TypeOverrideModal/);
  if (!m2) {
    console.error("pattern fail", JSON.stringify(src.slice(collapseStart, collapseStart + 200)));
    process.exit(1);
  }
  src =
    src.slice(0, collapseStart) +
    neu +
    "\n\n      <TypeOverrideModal" +
    src.slice(collapseStart + m2[0].length - "<TypeOverrideModal".length);
} else {
  src =
    src.slice(0, collapseStart) +
    neu +
    "\n\n      <TypeOverrideModal" +
    src.slice(collapseStart + m[0].length - "<TypeOverrideModal".length);
}

fs.writeFileSync(path, src);
console.log("detail body UI updated");