export const dynamic = "force-dynamic";

import type { Metadata } from "next";
import Link from "next/link";
import { eq } from "drizzle-orm";
import { notFound } from "next/navigation";
import { RotateCw } from "lucide-react";
import { getDb } from "@/lib/db/client";
import { runs } from "@/lib/db/schema";
import { getScript } from "@/lib/config/load";
import { readLogTail } from "@/lib/runner/log-file";
import { RunTerminal } from "@/components/runs/run-terminal";
import { buttonVariants } from "@/components/ui/button";
import {
  Card,
  CardAction,
  CardContent,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";

interface RunDetailPageProps {
  params: Promise<{ runId: string }>;
}

function formatVariableValue(value: unknown): string {
  if (value === undefined || value === null || value === "") return "—";
  if (Array.isArray(value)) return value.length ? value.join(", ") : "—";
  if (typeof value === "boolean") return value ? "true" : "false";
  return String(value);
}

export async function generateMetadata({
  params,
}: RunDetailPageProps): Promise<Metadata> {
  const { runId } = await params;
  const run = getDb()
    .select({ scriptName: runs.scriptName })
    .from(runs)
    .where(eq(runs.id, runId))
    .get();
  return { title: run ? `${run.scriptName} run` : "Run not found" };
}

export default async function RunDetailPage({ params }: RunDetailPageProps) {
  const { runId } = await params;
  const db = getDb();
  const run = db.select().from(runs).where(eq(runs.id, runId)).get();
  if (!run) notFound();

  const { text: initialLog, size: initialLogBytes } = readLogTail(
    run.logFilePath,
  );

  const script = getScript(run.scriptId);
  const variableEntries = script
    ? script.variables.map((variable) => ({
        key: variable.name,
        label: variable.label ?? variable.name,
        value: run.variables[variable.name],
      }))
    : Object.entries(run.variables).map(([key, value]) => ({
        key,
        label: key,
        value,
      }));

  return (
    <div className="mx-auto flex max-w-5xl flex-col gap-4">
      <Card>
        <CardHeader>
          <CardTitle>{run.scriptName}</CardTitle>
          {script && (
            <CardAction className="row-span-1">
              <Link
                href={`/scripts/${run.scriptId}?fromRun=${run.id}`}
                className={buttonVariants({ variant: "outline", size: "sm" })}
              >
                <RotateCw className="size-3.5" />
                Re-run
              </Link>
            </CardAction>
          )}
          <dl className="text-muted-foreground col-span-2 grid grid-cols-2 gap-x-4 gap-y-2 text-xs sm:grid-cols-3">
            <div>
              <dt className="font-mono text-[0.7rem] font-medium tracking-widest uppercase">
                Triggered by
              </dt>
              <dd className="font-mono">{run.triggeredBy}</dd>
            </div>
            <div>
              <dt className="font-mono text-[0.7rem] font-medium tracking-widest uppercase">
                Started
              </dt>
              <dd className="font-mono">
                {run.startedAt ? new Date(run.startedAt).toLocaleString() : "-"}
              </dd>
            </div>
            <div>
              <dt className="font-mono text-[0.7rem] font-medium tracking-widest uppercase">
                Run ID
              </dt>
              <dd className="truncate font-mono">{run.id}</dd>
            </div>
          </dl>
        </CardHeader>
        <CardContent className="flex flex-col gap-4">
          <div className="flex flex-col gap-1.5">
            <span className="text-muted-foreground font-mono text-[0.7rem] font-medium tracking-widest uppercase">
              Command
            </span>
            <pre className="bg-muted border-primary/30 overflow-x-auto rounded-md border-l-2 p-3 font-mono text-xs whitespace-pre">
              {run.resolvedCommand}
            </pre>
          </div>

          {variableEntries.length > 0 && (
            <div className="flex flex-col gap-1.5">
              <span className="text-muted-foreground font-mono text-[0.7rem] font-medium tracking-widest uppercase">
                Variables
              </span>
              <dl className="grid gap-x-6 gap-y-2 rounded-md border p-3 text-xs sm:grid-cols-2 lg:grid-cols-3">
                {variableEntries.map(({ key, label, value }) => (
                  <div key={key} className="flex flex-col gap-0.5">
                    <dt className="text-muted-foreground">{label}</dt>
                    <dd className="font-mono break-all">
                      {formatVariableValue(value)}
                    </dd>
                  </div>
                ))}
              </dl>
            </div>
          )}

          <RunTerminal
            runId={run.id}
            initialStatus={run.status}
            initialLog={initialLog}
            initialLogBytes={initialLogBytes}
            initialExitCode={run.exitCode}
          />
        </CardContent>
      </Card>
    </div>
  );
}