"use client";

import { useState } from "react";
import { Button, Card } from "@/components/ui/Primitives";
import { createNote } from "@/lib/notes-client";
import { NOTE_TEMPLATES } from "@/lib/note-templates";
import type { WorkspaceSummary } from "@/lib/types";

interface CreateNoteModalProps {
  workspaces: WorkspaceSummary[];
  defaultWorkspaceId?: string;
  onCreated: () => void;
  onClose: () => void;
}

export function CreateNoteModal({ workspaces, defaultWorkspaceId, onCreated, onClose }: CreateNoteModalProps) {
  const [title, setTitle] = useState("");
  const [body, setBody] = useState("");
  const [workspaceId, setWorkspaceId] = useState(defaultWorkspaceId ?? workspaces[0]?.id ?? "");
  const [tags, setTags] = useState("");
  const [templateId, setTemplateId] = useState<string>("");
  const [saving, setSaving] = useState(false);
  const [error, setError] = useState<string | null>(null);

  function applyTemplate(id: string) {
    setTemplateId(id);
    const t = NOTE_TEMPLATES.find((x) => x.id === id);
    if (t) {
      setTitle(t.title);
      setBody(t.body);
    }
  }

  const canSubmit = title.trim().length > 0 && body.trim().length > 0 && workspaceId.length > 0;

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault();
    if (!canSubmit || saving) return;

    setSaving(true);
    setError(null);

    try {
      await createNote({
        id: crypto.randomUUID(),
        workspaceId,
        title: title.trim(),
        body: body.includes("<") && body.includes(">") ? body.trim() : `<p>${body.trim()}</p>`,
        tags: tags
          .split(",")
          .map((t) => t.trim())
          .filter(Boolean),
        sourceType: "manual",
      });
      onCreated();
    } catch (err) {
      setError(err instanceof Error ? err.message : "Failed to create note");
    } finally {
      setSaving(false);
    }
  }

  return (
    <div
      className="modal-overlay"
      style={{
        position: "fixed",
        inset: 0,
        background: "var(--nl-overlay-scrim)",
        display: "flex",
        alignItems: "center",
        justifyContent: "center",
        zIndex: 1000,
      }}
      onClick={(e) => {
        if (e.target === e.currentTarget) onClose();
      }}
    >
      <Card
        padding="lg"
        style={{ width: "100%", maxWidth: 520 }}
      >
      <form
        onSubmit={handleSubmit}
        style={{
          display: "grid",
          gap: "var(--nl-space-4)",
        }}
      >
        <div style={{ fontSize: "var(--nl-fs-xl)", fontWeight: 700 }}>Create Note</div>

        {error && <div style={{ color: "var(--nl-danger)", fontSize: "0.875rem" }}>{error}</div>}

        <label style={{ display: "grid", gap: "var(--nl-space-1)" }}>
          <span style={{ fontWeight: 600, fontSize: "0.875rem" }}>Template</span>
          <select
            className="input"
            aria-label="Note template"
            value={templateId}
            onChange={(e) => {
              const v = e.target.value;
              if (!v) {
                setTemplateId("");
                return;
              }
              applyTemplate(v);
            }}
          >
            <option value="">Blank</option>
            {NOTE_TEMPLATES.map((t) => (
              <option key={t.id} value={t.id}>
                {t.label}
              </option>
            ))}
          </select>
        </label>

        <label style={{ display: "grid", gap: "var(--nl-space-1)" }}>
          <span style={{ fontWeight: 600, fontSize: "0.875rem" }}>Workspace</span>
          <select value={workspaceId} onChange={(e) => setWorkspaceId(e.target.value)} className="input" aria-label="Workspace">
            {workspaces.map((ws) => (
              <option key={ws.id} value={ws.id}>
                {ws.name}
              </option>
            ))}
          </select>
        </label>

        <label style={{ display: "grid", gap: "var(--nl-space-1)" }}>
          <span style={{ fontWeight: 600, fontSize: "0.875rem" }}>Title</span>
          <input
            className="input"
            type="text"
            value={title}
            onChange={(e) => setTitle(e.target.value)}
            placeholder="Note title"
            aria-label="Note title"
            autoFocus
          />
        </label>

        <label style={{ display: "grid", gap: "var(--nl-space-1)" }}>
          <span style={{ fontWeight: 600, fontSize: "0.875rem" }}>Body</span>
          <textarea
            className="input"
            value={body}
            onChange={(e) => setBody(e.target.value)}
            placeholder="Note content..."
            aria-label="Note body"
            rows={6}
            style={{ resize: "vertical" }}
          />
        </label>

        <label style={{ display: "grid", gap: "var(--nl-space-1)" }}>
          <span style={{ fontWeight: 600, fontSize: "0.875rem" }}>Tags (comma-separated)</span>
          <input
            className="input"
            type="text"
            value={tags}
            onChange={(e) => setTags(e.target.value)}
            placeholder="launch, meeting, review"
            aria-label="Note tags"
          />
        </label>

        <div style={{ display: "flex", justifyContent: "flex-end", gap: "var(--nl-space-3)" }}>
          <Button type="button" variant="secondary" onClick={onClose}>
            Cancel
          </Button>
          <Button type="submit" disabled={!canSubmit || saving} loading={saving}>
            Create
          </Button>
        </div>
      </form>
      </Card>
    </div>
  );
}