Artifacts

"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { Plus, X, Loader2, ClipboardList } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Card } from "@/components/ui/card";
import { PriorityBadge } from "@/components/shared/status-badge";
import { ObjectiveStatusBadge } from "./objective-status-badge";
import type { OwnerOption } from "./create-mission-form";
import type {
  MissionPriority,
  Objective,
  WorkOrder,
} from "@/lib/missions/types";

const PRIORITIES: MissionPriority[] = ["P0", "P1", "P2", "P3"];

/** Work Orders panel: translate an objective into executable organizational work. */
export function WorkOrdersPanel({
  missionId,
  workOrders,
  objectives,
  owners,
  reportCounts = {},
}: {
  missionId: string;
  workOrders: WorkOrder[];
  objectives: Objective[];
  owners: OwnerOption[];
  reportCounts?: Record<string, number>;
}) {
  const router = useRouter();
  const [open, setOpen] = useState(false);
  const [busy, setBusy] = useState(false);
  const [error, setError] = useState<string | null>(null);
  const firstActive = owners.find((o) => o.active)?.id ?? owners[0]?.id ?? "";
  const [form, setForm] = useState({
    objective_id: objectives[0]?.id ?? "",
    title: "",
    description: "",
    owner_executive: firstActive,
    priority: "P2" as MissionPriority,
  });

  async function create(e: React.FormEvent) {
    e.preventDefault();
    setBusy(true);
    setError(null);
    try {
      const res = await fetch(`/api/missions/${missionId}/work-orders`, {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify(form),
      });
      const data = await res.json().catch(() => ({}));
      if (!res.ok) throw new Error(data.error ?? "Could not create work order.");
      setForm({ ...form, title: "", description: "" });
      setOpen(false);
      router.refresh();
    } catch (err) {
      setError(err instanceof Error ? err.message : "Could not create work order.");
    } finally {
      setBusy(false);
    }
  }

  const objTitle = (oid: string) =>
    objectives.find((o) => o.id === oid)?.title ?? oid;

  return (
    <Card className="p-6">
      <div className="mb-4 flex items-center justify-between gap-3">
        <div className="flex items-center gap-2 text-[11px] font-semibold uppercase tracking-[0.1em] text-muted-foreground">
          <ClipboardList className="h-3.5 w-3.5" /> Work Orders
        </div>
        <Button
          type="button"
          size="sm"
          variant="outline"
          onClick={() => setOpen((v) => !v)}
          disabled={objectives.length === 0}
          title={objectives.length === 0 ? "Create an objective first" : ""}
        >
          {open ? <X className="h-3.5 w-3.5" /> : <Plus className="h-3.5 w-3.5" />}
          {open ? "Close" : "Create Work Order"}
        </Button>
      </div>

      {open && (
        <form onSubmit={create} className="mb-5 space-y-3 rounded-md border border-border p-4">
          <label className="block">
            <span className="mb-1 block text-[11px] font-semibold uppercase tracking-[0.08em] text-muted-foreground">
              Objective
            </span>
            <select
              value={form.objective_id}
              onChange={(e) => setForm({ ...form, objective_id: e.target.value })}
              className="h-9 w-full rounded-md border border-input bg-background px-2 text-sm"
            >
              {objectives.map((o) => (
                <option key={o.id} value={o.id}>
                  {o.id.replace("OBJECTIVE-", "O-")} · {o.title}
                </option>
              ))}
            </select>
          </label>
          <Input
            value={form.title}
            onChange={(e) => setForm({ ...form, title: e.target.value })}
            placeholder="Work order title"
            required
          />
          <textarea
            value={form.description}
            onChange={(e) => setForm({ ...form, description: e.target.value })}
            placeholder="The executable work"
            rows={2}
            required
            className="flex w-full rounded-md border border-input bg-background px-3 py-2 text-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
          />
          <div className="flex flex-wrap items-end gap-3">
            <label className="flex-1">
              <span className="mb-1 block text-[11px] font-semibold uppercase tracking-[0.08em] text-muted-foreground">
                Owner
              </span>
              <select
                value={form.owner_executive}
                onChange={(e) => setForm({ ...form, owner_executive: e.target.value })}
                className="h-9 w-full rounded-md border border-input bg-background px-2 text-sm"
              >
                {owners.map((o) => (
                  <option key={o.id} value={o.id}>
                    {o.label}
                  </option>
                ))}
              </select>
            </label>
            <label>
              <span className="mb-1 block text-[11px] font-semibold uppercase tracking-[0.08em] text-muted-foreground">
                Priority
              </span>
              <select
                value={form.priority}
                onChange={(e) => setForm({ ...form, priority: e.target.value as MissionPriority })}
                className="h-9 rounded-md border border-input bg-background px-2 text-sm"
              >
                {PRIORITIES.map((p) => (
                  <option key={p}>{p}</option>
                ))}
              </select>
            </label>
            <Button type="submit" size="sm" disabled={busy}>
              {busy ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : "Create"}
            </Button>
          </div>
          {error && <p className="text-[12px] text-destructive">{error}</p>}
        </form>
      )}

      {workOrders.length === 0 ? (
        <p className="text-sm text-muted-foreground">
          No work orders yet. A work order translates an objective into executable
          work.
        </p>
      ) : (
        <ul className="divide-y divide-border">
          {workOrders.map((w) => (
            <li key={w.id} className="flex flex-wrap items-center gap-3 py-2.5">
              <div className="min-w-0 flex-1">
                <div className="text-[14px] font-medium text-foreground">
                  <span className="font-mono text-[11px] text-muted-foreground">
                    {w.id.replace("WORKORDER-", "WO-")}
                  </span>{" "}
                  {w.title}
                </div>
                <div className="mt-0.5 text-[12px] text-muted-foreground">
                  ↳ {objTitle(w.objective_id)} ·{" "}
                  <span className="font-mono">{w.owner_executive ?? "—"}</span>
                  {reportCounts[w.id] ? ` · ${reportCounts[w.id]} report${reportCounts[w.id] === 1 ? "" : "s"}` : ""}
                </div>
              </div>
              <PriorityBadge priority={w.priority} />
              <ObjectiveStatusBadge status={w.status} />
            </li>
          ))}
        </ul>
      )}
    </Card>
  );
}