import { DownloadersTable } from "./instances.tsx";
import { num } from "./resource-section.tsx";
import { SettingsBlock } from "./settings-block.tsx";
import { type CardSpec, n, SettingsCard, SettingsGate } from "./settings-card.tsx";

// 下载器分区:qB 实例(抽屉里有路径映射和本实例的水位 / 保种 / H&R)+ 下载盘水位与保种天数的缺省值。
// 实例上留空的项用这里的缺省值,所以两处用同一组名字:暂停线、恢复线、清理目标、保种天数。

export const CACHE_CARD: CardSpec = {
  anchor: "cache",
  title: "下载盘",
  description:
    "下载盘用量到暂停线时不再新增下载，并暂停本工具的下载任务；降到恢复线以下只恢复因此暂停的任务。实例里可以单独设置。",
  fields: [
    { name: "cache.hardThresholdPercent", label: "暂停线（%）", kind: "number" },
    { name: "cache.resumePercent", label: "恢复线（%）", kind: "number", hint: "低于暂停线" },
    { name: "cache.cleanupTargetPercent", label: "清理目标（%）", kind: "number", hint: "不高于恢复线" },
    { name: "cache.checkIntervalSec", label: "检查间隔（秒）", kind: "number", hint: "10–3600" },
  ],
  fromSettings: (s) => ({
    "cache.hardThresholdPercent": n(s.cache.hardThresholdPercent),
    "cache.resumePercent": n(s.cache.resumePercent),
    "cache.cleanupTargetPercent": n(s.cache.cleanupTargetPercent),
    "cache.checkIntervalSec": n(s.cache.checkIntervalSec),
  }),
  toPatch: (v) => ({
    cache: {
      hardThresholdPercent: num(v["cache.hardThresholdPercent"]),
      resumePercent: num(v["cache.resumePercent"]),
      cleanupTargetPercent: num(v["cache.cleanupTargetPercent"]),
      checkIntervalSec: num(v["cache.checkIntervalSec"]),
    },
  }),
};

export const SEEDING_CARD: CardSpec = {
  anchor: "seeding",
  title: "保种",
  description: "复制整理后，下载源留在下载盘继续做种。站点的 H&R 要求另外遵守；实例里可以单独设置。",
  fields: [
    {
      name: "retention.seedRetentionDays",
      label: "保种天数",
      kind: "number",
      hint: "到期后才允许清理；0–365",
    },
  ],
  fromSettings: (s) => ({ "retention.seedRetentionDays": n(s.retention.seedRetentionDays) }),
  toPatch: (v) => ({ retention: { seedRetentionDays: num(v["retention.seedRetentionDays"]) } }),
};

export function DownloadersSection() {
  return (
    <div className="grid grid-cols-1 gap-8">
      <SettingsBlock section="downloaders" anchor="instances" title="qBittorrent 实例" plain>
        <DownloadersTable />
      </SettingsBlock>
      <SettingsGate>
        {(s) => (
          <>
            <SettingsCard section="downloaders" spec={CACHE_CARD} settings={s} />
            <SettingsCard section="downloaders" spec={SEEDING_CARD} settings={s} />
          </>
        )}
      </SettingsGate>
    </div>
  );
}