src/components/twin/LeftPanel.tsx

import { useTwinStore } from '../../lib/twin/store'
import type { LeftView } from '../../lib/twin/store'
import { ZonePanel } from './ZonePanel'
import { MapPanel } from './MapPanel'

const VIEWS: Array<{ id: LeftView; label: string }> = [
  { id: 'zones', label: 'Zones' },
  { id: 'map', label: 'Map' },
]

/**
 * Column B of the left dashboard panel. A top segmented toggle switches between
 * the Zones view (Patrol/Check/Calm ranked list) and the Map view (basemap
 * styles + layer visibility toggles).
 */
export function LeftPanel() {
  const leftView = useTwinStore((s) => s.leftView)
  const setLeftView = useTwinStore((s) => s.setLeftView)

  return (
    <div className="flex min-h-0 min-w-0 flex-1 flex-col">
      {/* Top segmented toggle */}
      <div
        className="flex flex-none items-center gap-1 p-1.5 m-3 mb-0 rounded-lg"
        style={{ background: 'var(--tw-hover)', border: '1px solid var(--tw-border)' }}
        role="tablist"
        aria-label="Left panel view"
      >
        {VIEWS.map((v) => {
          const active = v.id === leftView
          return (
            <button
              key={v.id}
              role="tab"
              aria-selected={active}
              onClick={() => setLeftView(v.id)}
              className="flex-1 rounded-md px-3 py-1.5 text-[11px] uppercase transition-colors"
              style={{
                fontFamily: 'var(--font-mono)',
                letterSpacing: '0.1em',
                fontWeight: 600,
                color: active ? '#0a0a0a' : 'var(--tw-muted)',
                background: active ? '#f5efe6' : 'transparent',
                cursor: 'pointer',
              }}
            >
              {v.label}
            </button>
          )
        })}
      </div>

      {/* Active view */}
      {leftView === 'zones' ? <ZonePanel /> : <MapPanel />}
    </div>
  )
}