export type Severity = 'critical' | 'warning' | 'notice';
export type Grade    = 'A' | 'B' | 'C' | 'D' | 'F';
export type Position = 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right';
export type AIProvider = 'none' | 'anthropic' | 'openai' | 'gemini' | 'ollama';
export type ScanSchedule = 'daily' | 'weekly' | 'monthly';

export interface IssueNode {
  element: string;
  selector: string;
}

export interface Issue {
  id: string;
  rule: string;
  wcag: string;
  severity: Severity;
  title: string;
  description: string;
  element?: string;
  selector?: string;
  nodes?: IssueNode[];
  count: number;
  fixed: boolean;
  ai_fixable: boolean;
  help_url?: string;
}

export interface ScanResult {
  url: string;
  scanned_at: string;
  score: number;
  grade: Grade;
  issues: Issue[];
  passed: number;
  failed: number;
  error?: string;
}

export interface PourPrinciple {
  score: number;
  issues: Issue[];
}

export interface Report {
  has_data: boolean;
  score: number;
  grade: Grade;
  scanned_at: string | null;
  url: string | null;
  passed?: number;
  failed?: number;
  issues: Issue[];
  groups: {
    critical: Issue[];
    warning: Issue[];
    notice: Issue[];
  };
  pour: {
    perceivable: PourPrinciple;
    operable: PourPrinciple;
    understandable: PourPrinciple;
    robust: PourPrinciple;
  };
  summary: {
    critical: number;
    warnings: number;
    notices: number;
  };
}

export interface Settings {
  ai_provider: AIProvider;
  ai_key_set: boolean;
  ai_model: string;
  scan_schedule: ScanSchedule;
}

export interface ScanHistoryEntry {
  date: string;
  score: number;
  grade: Grade;
  failed: number;
}

export interface WidgetConfig {
  enabled: boolean;
  color: string;
  position: Position;
  features: string[];
  hide_powered_by?: boolean;
}

export interface ScannableUrl {
  url: string;
  type: string;
  label: string;
}

export interface PageScanSummary {
  url: string;
  score: number;
  grade: Grade;
  failed: number;
  issues: Issue[];
  scanned_at: string;
}