"use client";

import { useMemo } from "react";
import { DashboardLayout } from "@/components/dashboard/DashboardLayout";
import {
  Card,
  CardContent,
  CardDescription,
  CardTitle,
} from "@/components/ui/card";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Plus, Play, Pause, Square, RotateCcw } from "lucide-react";
import {
  getDeployments,
  removeDeployment,
  toggleDeployment,
} from "@/lib/dockship/deploy";
import { getApps } from "@/lib/dockship/application";
import { cn } from "@/lib/utils";
import DeployAppDialog from "@/components/dialogs/DeployApp";
import { useAsync, useAsyncInterval } from "@/hooks/use-async";
import RemoveDialog from "@/components/dialogs/Remove";
import { Application } from "@/lib/types";

const statusDot = {
  running: "bg-chart-2",
  pending: "bg-chart-1",
  stopped: "bg-slate-400 dark:bg-slate-600",
} as const;

export default function DeploymentsPage() {
  const { value: apps } = useAsyncInterval("apps", [], getApps, 5000);

  const { value: deployments, loading } = useAsync(
    "deployments",
    [],
    getDeployments,
    [apps],
  );

  const appByContainer = useMemo(() => {
    const map = new Map<string, Application>();
    for (const app of apps) {
      for (const container of app.deployments) {
        map.set(container, app);
      }
    }
    return map;
  }, [apps]);

  const changeDeploymentStatus = async (
    deployId: string,
    action: "start" | "stop",
  ) => {
    console.log(`Toggling deployment ${deployId} with action ${action}`);
    await toggleDeployment(deployId, action);
  };

  const remove = async (deployId: string) => {
    console.log(`Removing deployment ${deployId}`);
    await removeDeployment(deployId);
  };

  return (
    <DashboardLayout
      title="Deployments"
      subtitle="Deployment history and management"
    >
      {/* Header */}
      <div className="flex items-center justify-between mb-6">
        <Badge>
          {loading
            ? "Loading…"
            : `${deployments.length} deployment${deployments.length > 0 && "s"}`}
        </Badge>

        <DeployAppDialog>
          <Button size="sm" className="gap-2">
            <Plus className="w-4 h-4" />
            New Deployment
          </Button>
        </DeployAppDialog>
      </div>

      <div className="divide-y divide-border flex flex-col-reverse gap-5">
        {deployments.map((dep) => {
          return (
            <Card key={`${dep.image}-${dep.container ?? "latest"}`}>
              <CardContent>
                <div className="flex items-center justify-between">
                  <div className="flex items-center gap-2">
                    <span
                      className={cn(
                        "size-2 rounded-full animate-pulse",
                        statusDot[dep.status as keyof typeof statusDot] ??
                          statusDot.stopped,
                      )}
                    />
                    <CardTitle>
                      {dep.name} @{" "}
                      <span className="text-primary-foreground">
                        {appByContainer.get(dep.container)?.name ??
                          "Unknown app"}
                      </span>
                    </CardTitle>
                    <CardDescription className="flex gap-3">
                      {dep.ports.map(([to, from]) => (
                        <span key={`${from}-${to}`}>
                          {from} → {to}
                        </span>
                      ))}
                    </CardDescription>
                  </div>
                  <p className="hidden xl:block text-muted-foreground">
                    {dep.image}
                  </p>
                  <div className="flex justify-end gap-1">
                    <Button
                      variant="ghost"
                      size="icon-sm"
                      onClick={async () =>
                        await changeDeploymentStatus(
                          dep.container,
                          dep.status === "stopped" ? "start" : "stop",
                        )
                      }
                    >
                      {dep.status === "stopped" ? (
                        <Play className="w-3 h-3" />
                      ) : dep.status === "running" ? (
                        <Square className="w-3 h-3" />
                      ) : (
                        <Square className="w-3 h-3 text-primary" />
                      )}
                    </Button>
                    <DeployAppDialog
                      defaultApp={appByContainer.get(dep.container)?.id}
                      ports={dep.ports.map(([to, from]) => ({
                        containerPort: from.toString(),
                        hostPort: to.toString(),
                        protocol: "tcp",
                      }))}
                      nodeId={dep.nodeId}
                    >
                      <Button variant="ghost" size="icon-sm">
                        <RotateCcw className="w-3 h-3" />
                      </Button>
                    </DeployAppDialog>
                    <RemoveDialog remove={() => remove(dep.container)} />
                  </div>
                </div>
              </CardContent>
            </Card>
          );
        })}
      </div>
    </DashboardLayout>
  );
}