export type EvidenceType = 'folder' | 'evidence' | 'note' | 'event'
export type SourceFileType = 'image' | 'pdf' | 'web_capture' | 'email' | 'article' | 'filing' | 'price_list' | 'text' | 'file'

export interface DocumentRegion {
  id: string
  label: string
  excerpt: string
  date?: string
}

export interface CaseDocument {
  id: string
  title: string
  kind: string
  date: string
  publishedAt?: string
  body: string[]
  regions: DocumentRegion[]
  assetId?: string
  fileName?: string
  mimeType?: string
  fileSize?: number
  fileType: SourceFileType
  metadata: Record<string, string>
}

export interface Evidence {
  id: string
  type: EvidenceType
  title: string
  content: string
  sourceDocumentId?: string
  sourceRegionId?: string
  eventDate?: string
  x: number
  y: number
  width: number
  config?: Record<string, unknown>
  /** Compatibility projection for clients predating the generic relation graph. */
  containedDocumentIds?: string[]
}

export interface WidgetRelation {
  id: string
  fromWidgetId: string
  toWidgetId: string
  type: string
  sortOrder?: number
  config?: Record<string, unknown>
}

export interface Connection {
  id: string
  fromEvidenceId: string
  toEvidenceId: string
}

export interface Viewport { x: number; y: number; zoom: number }

export interface CaseState {
  id: string
  title: string
  subtitle: string
  documents: CaseDocument[]
  evidence: Evidence[]
  relations: WidgetRelation[]
  connections: Connection[]
  viewport: Viewport
  updatedAt?: string
  levelStatus?: string
  sourceTemplateVersionId?: string
  editingAllowed?: boolean
}