import Link from "next/link";
import { prisma } from "@/lib/db";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardContent,
  CardHeader,
  CardTitle,
  CardDescription,
} from "@/components/ui/card";
import { Plus } from "lucide-react";
import { SoftwareVersionTable } from "@/components/admin/SoftwareVersionTable";

const SOFTWARE_DEFS = [
  {
    slug: "nanami-launcher",
    name: "Nanami 启动器（全量包）",
    description: "Nanami 插件启动器完整安装包，用户首次下载或大版本更新",
    badgeLabel: "全量",
  },
  {
    slug: "nanami-launcher-patch",
    name: "Nanami 热更新包",
    description: "app.asar 热更新包，客户端静默下载替换实现热更新",
    badgeLabel: "热更新",
  },
];

async function ensureSoftware(slug: string, name: string, description: string) {
  let sw = await prisma.software.findUnique({ where: { slug } });
  if (!sw) {
    sw = await prisma.software.create({ data: { name, slug, description } });
  }
  return sw;
}

export const dynamic = "force-dynamic";

export default async function AdminSoftwarePage() {
  const softwareItems = await Promise.all(
    SOFTWARE_DEFS.map(async (def) => {
      const sw = await ensureSoftware(def.slug, def.name, def.description);
      const versions = await prisma.softwareVersion.findMany({
        where: { softwareId: sw.id },
        orderBy: { versionCode: "desc" },
      });
      const totalDownloads = versions.reduce((s, v) => s + v.downloadCount, 0);
      const latestVersion = versions.find((v) => v.isLatest);
      return { ...def, sw, versions, totalDownloads, latestVersion };
    })
  );

  return (
    <div className="space-y-10">
      <div>
        <h1 className="text-3xl font-bold">软件管理</h1>
        <p className="mt-1 text-muted-foreground">
          管理启动器全量包和热更新包，客户端通过 slug 分别检查更新
        </p>
      </div>

      {softwareItems.map((item) => {
        const serializedVersions = item.versions.map((v) => ({
          ...v,
          createdAt: v.createdAt.toISOString(),
        }));

        return (
          <div key={item.slug} className="space-y-4">
            <div className="flex items-center justify-between">
              <div className="flex items-center gap-3">
                <h2 className="text-xl font-semibold">{item.name}</h2>
                <span className="rounded-md bg-muted px-2 py-0.5 text-xs font-medium text-muted-foreground">
                  slug: {item.slug}
                </span>
              </div>
              <Button
                render={
                  <Link
                    href={`/admin/software/${item.sw.id}/versions/new`}
                  />
                }
              >
                <Plus className="mr-2 h-4 w-4" />
                发布新版本
              </Button>
            </div>

            <div className="grid gap-4 md:grid-cols-2">
              {(["1.18", "1.17"] as const).map((wv) => {
                const latest = item.versions.find(
                  (v) => v.isLatest && v.wowVersion === wv
                );
                const total = item.versions.filter(
                  (v) => v.wowVersion === wv
                ).length;
                const downloads = item.versions
                  .filter((v) => v.wowVersion === wv)
                  .reduce((s, v) => s + v.downloadCount, 0);
                return (
                  <Card key={wv} className="border-amber-500/20">
                    <CardHeader className="pb-2">
                      <CardDescription className="flex items-center gap-2">
                        <span>WoW {wv}</span>
                        <span className="text-xs text-muted-foreground/70">
                          ({total} 个版本 · {downloads} 次下载)
                        </span>
                      </CardDescription>
                    </CardHeader>
                    <CardContent>
                      <p className="text-2xl font-bold">
                        {latest ? `v${latest.version}` : "未发布"}
                      </p>
                    </CardContent>
                  </Card>
                );
              })}
            </div>

            <Card>
              <CardHeader>
                <CardTitle>版本历史</CardTitle>
              </CardHeader>
              <CardContent className="p-0">
                <SoftwareVersionTable versions={serializedVersions} />
              </CardContent>
            </Card>
          </div>
        );
      })}
    </div>
  );
}