import modalHtml from '../components/login-modal/login-modal.html?raw';
import modalScript from '../components/login-modal/login-modal.js?raw';
import validationModalStyle from '../components/validation-modal/validation-modal.css?raw';
import Services from './service';
import { init, navigate } from '../router';
import { addressToEmoji } from '../utils/sp-address.utils';
import { RoleDefinition } from 'pkg/sdk_client';
import { initValidationModal } from '~/components/validation-modal/validation-modal';
import { interpolate } from '~/utils/html.utils';

export default class ModalService {
  private static instance: ModalService;
  private stateId: string | null = null;
  private processId: string | null = null;
  private constructor() {}
  private paired_addresses: string[] = [];

  // Method to access the singleton instance of Services
  public static async getInstance(): Promise<ModalService> {
    if (!ModalService.instance) {
      ModalService.instance = new ModalService();
    }
    return ModalService.instance;
  }

  public openLoginModal(myAddress: string, receiverAddress: string) {
    const container = document.querySelector('.page-container');
    let html = modalHtml;
    html = html.replace('{{device1}}', myAddress);
    html = html.replace('{{device2}}', receiverAddress);
    if (container) container.innerHTML += html;
    const modal = document.getElementById('login-modal');
    if (modal) modal.style.display = 'flex';
    const newScript = document.createElement('script');

    newScript.setAttribute('type', 'module');
    newScript.textContent = modalScript;
    document.head.appendChild(newScript).parentNode?.removeChild(newScript);
  }

  async injectModal(members: any[]) {
    const container = document.querySelector('#containerId');
    if (container) {
      let html = await fetch('/src/components/modal/confirmation-modal.html').then((res) => res.text());
      html = html.replace('{{device1}}', await addressToEmoji(members[0]['sp_addresses'][0]));
      html = html.replace('{{device2}}', await addressToEmoji(members[0]['sp_addresses'][1]));
      container.innerHTML += html;

      // Dynamically load the header JS
      const script = document.createElement('script');
      script.src = '/src/components/modal/confirmation-modal.ts';
      script.type = 'module';
      document.head.appendChild(script);
    }
  }

  async injectValidationModal(processDiff: any) {
    const container = document.querySelector('#containerId');
    if (container) {
      let html = await fetch('/src/components/validation-modal/validation-modal.html').then((res) => res.text());
      html = interpolate(html, {processId: processDiff.processId})
      container.innerHTML += html;

      // Dynamically load the header JS
      const script = document.createElement('script');
      script.id = 'validation-modal-script';
      script.src = '/src/components/validation-modal/validation-modal.ts';
      script.type = 'module';
      document.head.appendChild(script);
      const css = document.createElement('style');
      css.id = 'validation-modal-css';
      css.innerText = validationModalStyle;
      document.head.appendChild(css);
      initValidationModal(processDiff)
    }
  }

  async closeValidationModal() {
    const script = document.querySelector('#validation-modal-script');
    const css = document.querySelector('#validation-modal-css');
    const component = document.querySelector('#validation-modal');
    script?.remove();
    css?.remove();
    component?.remove();
  }

  // this is kind of too specific for pairing though
  public async openPairingConfirmationModal(roleDefinition: Record<string, RoleDefinition>, processId: string, stateId: string) {
    // pairing specifics
    let members;
    if (roleDefinition['owner']) {
      const owner = roleDefinition['owner'];
      members = owner.members;
    } else {
      throw new Error('No "owner" role');
    }

    // pairing specifics
    if (members.length != 1) {
      throw new Error('Must have exactly 1 member');
    }

    // We take all the addresses except our own
    const service = await Services.getInstance();
    const localAddress = await service.getDeviceAddress();
    for (const member of members) {
      for (const address of member['sp_addresses']) {
        if (address !== localAddress) {
          this.paired_addresses.push(address);
        }
      }
    }
    this.processId = processId;
    this.stateId = stateId;
    await this.injectModal(members);
    const modal = document.getElementById('modal');
    if (modal) modal.style.display = 'flex';
    // const newScript = document.createElement('script');
    // newScript.setAttribute('type', 'module');
    // newScript.textContent = confirmationModalScript;
    // document.head.appendChild(newScript).parentNode?.removeChild(newScript);

    // Add correct text

    // Close modal when clicking outside of it
    window.onclick = (event) => {
      const modal = document.getElementById('modal');
      if (event.target === modal) {
        this.closeConfirmationModal();
      }
    };
  }
  confirmLogin() {
    console.log('=============> Confirm Login');
  }
  async closeLoginModal() {
    const modal = document.getElementById('login-modal');
    if (modal) modal.style.display = 'none';
  }

  async confirmPairing() {
    const service = await Services.getInstance();
    const modal = document.getElementById('modal');
    if (modal) modal.style.display = 'none';

    // We send the prd update
    if (this.stateId && this.processId) {
      try {
        const createPrdUpdateReturn = service.createPrdUpdate(this.processId, this.stateId);
        await service.handleApiReturn(createPrdUpdateReturn);
      } catch (e) {
        throw e;
      }
    } else {
      throw new Error('No currentPcdCommitment');
    }

    // We send confirmation that we validate the change
    try {
      const approveChangeReturn = service.approveChange(this.processId!, this.stateId!);
      await service.handleApiReturn(approveChangeReturn);
    } catch (e) {
      throw e;
    }

    // try {
    //   service.pairDevice(this.paired_addresses);
    // } catch (e) {
    //   throw e;
    // }

    this.paired_addresses = [];
    this.processId = null;
    this.stateId = null;
    const newDevice = service.dumpDeviceFromMemory();
    console.log(newDevice);
    await service.saveDeviceInDatabase(newDevice);
    navigate('process');
  }

  async closeConfirmationModal() {
    const service = await Services.getInstance();
    await service.unpairDevice();
    const modal = document.getElementById('modal');
    if (modal) modal.style.display = 'none';
  }
}