import { useMemo, useState } from 'react'
import type {
  AreaRead,
  DetectionRead,
  DetectionRunRead,
  ExportCreateResponse,
  ExportRead,
  ProjectRead,
  QualityCheckRead,
  SegmentationRead,
  SegmentationRunRead,
} from '../../types'
import { DatasetDetailPanel, type DatasetDetailPanelProps } from '../datasets/DatasetDetailPanel'

type InspectorTab = 'context' | 'dataset' | 'quality' | 'ai'

interface WorkbenchInspectorProps {
  selectedProject: ProjectRead | null
  selectedArea: AreaRead | null
  selectedMapFeature: GeoJSON.Feature | null
  areas: AreaRead[]
  datasetsCount: number
  qualityChecks: QualityCheckRead[]
  exports: ExportRead[]
  latestExport: ExportCreateResponse | null
  detectionRuns: DetectionRunRead[]
  selectedDetectionRunId: string
  detectionItems: DetectionRead[]
  segmentationRuns: SegmentationRunRead[]
  selectedSegmentationRunId: string
  segmentationItems: SegmentationRead[]
  datasetDetailProps: DatasetDetailPanelProps
  onOpenDataWorkspace: () => void
  onOpenMapWorkspace: () => void
  onOpenQualityWorkspace: () => void
  onOpenExportsWorkspace: () => void
  onOpenAiWorkspace: () => void
  onClose: () => void
}

function formatValue(value: string | number | null | undefined): string {
  if (value === null || value === undefined || value === '') {
    return 'n.v.t.'
  }
  return String(value)
}

function InspectorField({ label, value }: { label: string; value: string | number | null | undefined }): JSX.Element {
  return (
    <div className="inspector-field">
      <span>{label}</span>
      <strong>{formatValue(value)}</strong>
    </div>
  )
}

export function WorkbenchInspector({
  selectedProject,
  selectedArea,
  selectedMapFeature,
  areas,
  datasetsCount,
  qualityChecks,
  exports,
  latestExport,
  detectionRuns,
  selectedDetectionRunId,
  detectionItems,
  segmentationRuns,
  selectedSegmentationRunId,
  segmentationItems,
  datasetDetailProps,
  onOpenDataWorkspace,
  onOpenMapWorkspace,
  onOpenQualityWorkspace,
  onOpenExportsWorkspace,
  onOpenAiWorkspace,
  onClose,
}: WorkbenchInspectorProps): JSX.Element {
  const [activeTab, setActiveTab] = useState<InspectorTab>('context')
  const selectedDetectionRun = useMemo(
    () => detectionRuns.find((run) => run.id === selectedDetectionRunId) ?? null,
    [detectionRuns, selectedDetectionRunId],
  )
  const selectedSegmentationRun = useMemo(
    () => segmentationRuns.find((run) => run.id === selectedSegmentationRunId) ?? null,
    [segmentationRuns, selectedSegmentationRunId],
  )
  const latestQualityCheck = qualityChecks[0] ?? null
  const latestPersistedExport = exports[0] ?? null
  const activeTabId = `inspector-tab-${activeTab}`
  const activePanelId = `inspector-panel-${activeTab}`

  const tabs: Array<{ key: InspectorTab; label: string }> = [
    { key: 'context', label: 'Context' },
    { key: 'dataset', label: 'Databron' },
    { key: 'quality', label: 'Kwaliteit en downloads' },
    { key: 'ai', label: 'Beeldanalyse' },
  ]

  return (
    <section className="workbench-inspector-panel" data-testid="workbench-inspector-panel">
      <div className="inspector-header">
        <div>
          <p className="eyebrow">Context</p>
          <h2>Details van de selectie</h2>
        </div>
        <button type="button" className="inspector-close" onClick={onClose} aria-label="Sluit details van de selectie">
          Sluiten
        </button>
      </div>
      <div className="inspector-tabs" role="tablist" aria-label="Onderdelen van de selectie">
        {tabs.map((tab) => (
          <button
            key={tab.key}
            type="button"
            className={activeTab === tab.key ? 'inspector-tab inspector-tab-active' : 'inspector-tab'}
            onClick={() => setActiveTab(tab.key)}
            role="tab"
            aria-selected={activeTab === tab.key}
            aria-controls={`inspector-panel-${tab.key}`}
            id={`inspector-tab-${tab.key}`}
            data-testid={`inspector-tab-${tab.key}`}
          >
            {tab.label}
          </button>
        ))}
      </div>

      {activeTab === 'context' ? (
        <div className="inspector-tab-panel" role="tabpanel" id={activePanelId} aria-labelledby={activeTabId}>
          <div className="inspector-card">
            <h3>Werkruimte</h3>
            <InspectorField label="Naam" value={selectedProject?.name} />
            <InspectorField label="Regio" value={selectedProject?.region} />
            <InspectorField label="Status" value={selectedProject?.status} />
            <InspectorField label="Gebieden" value={areas.length} />
            <InspectorField label="Databronnen" value={datasetsCount} />
            <div className="button-row">
              <button type="button" className="secondary-action" onClick={onOpenDataWorkspace}>
                Gegevens beheren
              </button>
            </div>
          </div>
          <div className="inspector-card">
            <h3>Actief werkgebied</h3>
            <InspectorField label="Naam" value={selectedArea?.name} />
            <InspectorField label="Oppervlakte m²" value={selectedArea?.area_m2} />
            <InspectorField label="Coördinatenstelsel" value={selectedArea?.original_crs} />
            <InspectorField label="Geometrietype" value={selectedArea?.geometry?.type} />
            <div className="button-row">
              <button type="button" className="secondary-action" onClick={onOpenMapWorkspace}>
                Kaart openen
              </button>
            </div>
          </div>
          <div className="inspector-card">
            <h3>Geselecteerd kaartobject</h3>
            {selectedMapFeature ? (
              <pre className="job-result">{JSON.stringify(selectedMapFeature.properties ?? {}, null, 2)}</pre>
            ) : (
              <p className="muted">Er is geen kaartobject geselecteerd.</p>
            )}
          </div>
        </div>
      ) : null}

      {activeTab === 'dataset' ? (
        <div className="inspector-tab-panel" role="tabpanel" id={activePanelId} aria-labelledby={activeTabId}>
          <div className="inspector-action-bar">
            <button type="button" className="secondary-action" onClick={onOpenDataWorkspace}>
              Gegevenscatalogus
            </button>
            <button type="button" className="secondary-action" onClick={onOpenMapWorkspace}>
              Kaartlaag
            </button>
            <button type="button" className="secondary-action" onClick={onOpenExportsWorkspace}>
              Download
            </button>
          </div>
          <DatasetDetailPanel {...datasetDetailProps} />
        </div>
      ) : null}

      {activeTab === 'quality' ? (
        <div className="inspector-tab-panel" role="tabpanel" id={activePanelId} aria-labelledby={activeTabId}>
          <div className="inspector-card">
            <h3>Laatste kwaliteitscontrole</h3>
            <InspectorField label="Type controle" value={latestQualityCheck?.check_type?.replaceAll('_', ' ')} />
            <InspectorField label="Status" value={latestQualityCheck?.status} />
            <InspectorField label="Score" value={latestQualityCheck?.score} />
            <InspectorField label="Meetwaarden" value={latestQualityCheck?.metrics?.length} />
            <div className="button-row">
              <button type="button" className="secondary-action" onClick={onOpenQualityWorkspace}>
                Kwaliteit openen
              </button>
            </div>
          </div>
          <div className="inspector-card">
            <h3>Laatste download</h3>
            <InspectorField label="Zojuist aangemaakt" value={latestExport?.export_type} />
            <InspectorField label="Bewaard type" value={latestPersistedExport?.export_type} />
            <InspectorField label="Status" value={latestPersistedExport?.status ?? latestExport?.status} />
            <InspectorField label="Aantal downloads" value={exports.length} />
            <div className="button-row">
              <button type="button" className="secondary-action" onClick={onOpenExportsWorkspace}>
                Downloads openen
              </button>
            </div>
          </div>
        </div>
      ) : null}

      {activeTab === 'ai' ? (
        <div className="inspector-tab-panel" role="tabpanel" id={activePanelId} aria-labelledby={activeTabId}>
          <div className="inspector-card">
            <h3>Gebouwdetectie</h3>
            <InspectorField label="Status" value={selectedDetectionRun?.status} />
            <InspectorField label="Model" value={selectedDetectionRun?.model_name} />
            <InspectorField label="Gevonden objecten" value={detectionItems.length} />
            <div className="button-row">
              <button type="button" className="secondary-action" onClick={onOpenAiWorkspace}>
                Beeldanalyse openen
              </button>
            </div>
          </div>
          <div className="inspector-card">
            <h3>Segmentatie</h3>
            <InspectorField label="Status" value={selectedSegmentationRun?.status} />
            <InspectorField label="Model" value={selectedSegmentationRun?.model_name} />
            <InspectorField label="Herkende vlakken" value={segmentationItems.length} />
            <details className="technical-inline-details">
              <summary>Technische analyseruns</summary>
              <div className="entity-meta">
                <span>Detectierun-ID: {selectedDetectionRunId || 'n.v.t.'}</span>
                <span>Segmentatierun-ID: {selectedSegmentationRunId || 'n.v.t.'}</span>
              </div>
            </details>
          </div>
        </div>
      ) : null}
    </section>
  )
}