src/app/shared/case-store.service.ts

import { Injectable } from '@angular/core';

export interface PoliceCase {
  // Optional metadata used by your UI
  caseId?: string;
  dateTime?: string;
  status?: 'Open' | 'Under Investigation' | 'Closed' | 'Archived';
  crime: string;
  police: {
    name: string;
    station: string;
    address: string;
    pincode: string;
    dutyPerson: string;
    modeOfCrime: string;
    information?: string;
  };
  accused: {
    name: string;
    age: string | number;
    gender: string;
    address: string;
    occupation?: string;
  };
  lastUpdated?: string;
  nextAction?: string;
  casePriority?: 'High' | 'Medium' | 'Low';
  reportedBy?: string;
  verifiedBy?: string;
  briefDescription?: string;
  caseCategory?: string;
}

@Injectable({ providedIn: 'root' })
export class CaseStoreService {
  private readonly storageKey = 'py_detect_police_cases';
  private cases: PoliceCase[] = [];

  constructor() {
    this.load();
  }

  /** Create (newest first) */
  addPoliceCase(c: PoliceCase): void {
    this.cases.unshift(c);
    this.save();
  }

  /** Read */
  getPoliceCases(): PoliceCase[] {
    return this.cases;
  }

  /** Update by array index */
  updatePoliceCaseAt(index: number, updated: PoliceCase): void {
    if (index >= 0 && index < this.cases.length) {
      this.cases[index] = updated;
      this.save();
    }
  }

  /** Update by caseId */
  updatePoliceCaseById(caseId: string, updated: PoliceCase): void {
    const idx = this.cases.findIndex(c => c.caseId === caseId);
    if (idx !== -1) {
      this.cases[idx] = updated;
      this.save();
    }
  }

  /**
   * Convenience: map Info page reactive-form value to PoliceCase and store it.
   * Call with the whole this.form.value from InfopageComponent.
   */
  addFromInfoForm(formValue: any): void {
    const crime = (formValue && formValue.crime) || {};
    const suspect = (formValue && formValue.suspect) || {};
    const notes = (formValue && formValue.notes) || {};

    const mapped: PoliceCase = {
      caseId: crime.caseId || '',
      dateTime: crime.dateTime || '',
      status: notes.status || 'Open',
      crime: crime.crimeType || 'Unknown',
      police: {
        name: notes.officerInCharge || '—',
        station: '—',                   // not captured on Info page
        address: crime.location || '—',
        pincode: '',                    // not captured on Info page
        dutyPerson: notes.officerInCharge || '—',
        modeOfCrime: crime.crimeType || '—',
        information: notes.initialFindings || ''
      },
      accused: {
        name: suspect.fullName || '—',
        age: suspect.age || '—',
        gender: suspect.gender || '—',
        address: suspect.address || '—',
        occupation: suspect.alias || ''
      }
    };

    this.addPoliceCase(mapped);
  }

  /** Add or update from Info page form */
  addOrUpdateFromInfoForm(formValue: any): void {
    const crime = (formValue && formValue.crime) || {};
    const suspect = (formValue && formValue.suspect) || {};
    const notes = (formValue && formValue.notes) || {};
    const mapped: PoliceCase = {
      caseId: crime.caseId || '',
      dateTime: crime.dateTime || '',
      status: notes.status || 'Open',
      crime: crime.crimeType || 'Unknown',
      police: {
        name: notes.officerInCharge || '—',
        station: '—',
        address: crime.location || '—',
        pincode: '',
        dutyPerson: notes.officerInCharge || '—',
        modeOfCrime: crime.crimeType || '—',
        information: notes.initialFindings || ''
      },
      accused: {
        name: suspect.fullName || '—',
        age: suspect.age || '—',
        gender: suspect.gender || '—',
        address: suspect.address || '—',
        occupation: suspect.alias || ''
      },
      reportedBy: crime.reportedBy || '',
      verifiedBy: notes.verifiedBy || '',
      briefDescription: crime.briefDescription || '',
    };
    const idx = this.cases.findIndex(c => c.caseId === mapped.caseId);
    if (idx !== -1) {
      this.cases[idx] = mapped;
      this.save();
    } else {
      this.addPoliceCase(mapped);
    }
  }

  /** Persist to localStorage (safe to keep; remove if not needed) */
  private save(): void {
    try { localStorage.setItem(this.storageKey, JSON.stringify(this.cases)); } catch { }
  }

  /** Load from localStorage */
  private load(): void {
    try {
      const raw = localStorage.getItem(this.storageKey);
      this.cases = raw ? (JSON.parse(raw) as PoliceCase[]) : [];
    } catch {
      this.cases = [];
    }
    // Seed a default case if none exist (for development/testing)
    if (this.cases.length === 0) {
      this.cases = [
        {
          caseId: 'CASE-001',
          dateTime: new Date().toISOString(),
          status: 'Open',
          crime: 'Theft',
          police: {
            name: 'Officer John Doe',
            station: 'Central Station',
            address: '123 Main St, City',
            pincode: '123456',
            dutyPerson: 'Officer John Doe',
            modeOfCrime: 'Burglary',
            information: 'Initial investigation started.'
          },
          accused: {
            name: 'Jane Smith',
            age: 30,
            gender: 'Female',
            address: '456 Side Rd, City',
            occupation: 'Unemployed'
          }
        }
      ];
      this.save();
    }
  }
}