"use client";

import Link from "next/link";
import { usePathname } from "next/navigation";
import { ReactNode } from "react";
import { VIBNSidebar } from "./vibn-sidebar";
import { Toaster } from "sonner";

interface ProjectShellProps {
  children: ReactNode;
  workspace: string;
  projectId: string;
  projectName: string;
  projectStatus?: string;
  projectProgress?: number;
}

const TABS = [
  { id: "overview", label: "Atlas", path: "overview" },
  { id: "prd",      label: "PRD",   path: "prd" },
  { id: "design",   label: "Design", path: "design" },
  { id: "build",    label: "Build",  path: "build" },
  { id: "deployment", label: "Deploy", path: "deployment" },
  { id: "settings", label: "Settings", path: "settings" },
];

function StatusTag({ status }: { status?: string }) {
  const label = status === "live" ? "Live"
    : status === "building" ? "Building"
    : "Defining";
  const color = status === "live" ? "#2e7d32"
    : status === "building" ? "#3d5afe"
    : "#9a7b3a";
  const bg = status === "live" ? "#2e7d3210"
    : status === "building" ? "#3d5afe10"
    : "#d4a04a12";
  return (
    <span style={{
      display: "inline-flex", alignItems: "center", gap: 5,
      padding: "3px 9px", borderRadius: 4,
      fontSize: "0.68rem", fontWeight: 600, letterSpacing: "0.02em",
      color, background: bg, fontFamily: "Outfit, sans-serif",
    }}>
      {label}
    </span>
  );
}

export function ProjectShell({
  children,
  workspace,
  projectId,
  projectName,
  projectStatus,
  projectProgress,
}: ProjectShellProps) {
  const pathname = usePathname();

  // Determine which tab is active
  const activeTab = TABS.find((t) => pathname?.includes(`/${t.path}`))?.id ?? "overview";

  const progress = projectProgress ?? 0;

  return (
    <>
      <div style={{ display: "flex", height: "100vh", background: "#f6f4f0", overflow: "hidden" }}>
        {/* Sidebar */}
        <VIBNSidebar workspace={workspace} />

        {/* Main content */}
        <div style={{ flex: 1, display: "flex", flexDirection: "column", minWidth: 0 }}>
          {/* Project header */}
          <div style={{
            padding: "18px 32px",
            borderBottom: "1px solid #e8e4dc",
            display: "flex",
            alignItems: "center",
            justifyContent: "space-between",
            background: "#fff",
            flexShrink: 0,
          }}>
            <div style={{ display: "flex", alignItems: "center", gap: 14 }}>
              <div style={{
                width: 34, height: 34, borderRadius: 9,
                background: "#1a1a1a12",
                display: "flex", alignItems: "center", justifyContent: "center",
              }}>
                <span style={{
                  fontFamily: "Newsreader, serif",
                  fontSize: "1rem", fontWeight: 500, color: "#1a1a1a",
                }}>
                  {projectName[0]?.toUpperCase() ?? "P"}
                </span>
              </div>
              <div>
                <div style={{ display: "flex", alignItems: "center", gap: 8 }}>
                  <h2 style={{
                    fontSize: "1.05rem", fontWeight: 600, color: "#1a1a1a",
                    letterSpacing: "-0.02em", fontFamily: "Outfit, sans-serif",
                    margin: 0,
                  }}>
                    {projectName}
                  </h2>
                  <StatusTag status={projectStatus} />
                </div>
              </div>
            </div>
            <div style={{
              fontFamily: "IBM Plex Mono, monospace",
              fontSize: "0.78rem", fontWeight: 500,
              color: "#1a1a1a", background: "#f6f4f0",
              padding: "6px 12px", borderRadius: 6,
            }}>
              {progress}%
            </div>
          </div>

          {/* Tab bar */}
          <div style={{
            padding: "0 32px",
            borderBottom: "1px solid #e8e4dc",
            display: "flex",
            gap: 0,
            background: "#fff",
            flexShrink: 0,
          }}>
            {TABS.map((t) => (
              <Link
                key={t.id}
                href={`/${workspace}/project/${projectId}/${t.path}`}
                style={{
                  padding: "12px 18px",
                  border: "none",
                  background: "none",
                  fontSize: "0.8rem",
                  fontWeight: 500,
                  color: activeTab === t.id ? "#1a1a1a" : "#a09a90",
                  borderBottom: activeTab === t.id ? "2px solid #1a1a1a" : "2px solid transparent",
                  transition: "all 0.12s",
                  fontFamily: "Outfit, sans-serif",
                  textDecoration: "none",
                  display: "block",
                  whiteSpace: "nowrap",
                }}
              >
                {t.label}
              </Link>
            ))}
          </div>

          {/* Page content */}
          <div style={{ flex: 1, overflow: "auto" }}>
            {children}
          </div>
        </div>
      </div>
      <Toaster position="top-center" />
    </>
  );
}