import {
  DeesElement,
  css,
  cssManager,
  customElement,
  html,
  property,
  type TemplateResult,
} from '@design.estate/dees-element';

import { mobileComponentStyles } from '../../00componentstyles.js';
import { demoFunc } from './dees-mobile-input.demo.js';

export type InputType = 'text' | 'email' | 'password' | 'number' | 'tel' | 'url' | 'search';

declare global {
  interface HTMLElementTagNameMap {
    'dees-mobile-input': DeesMobileInput;
  }
}

@customElement('dees-mobile-input')
export class DeesMobileInput extends DeesElement {
  public static demo = demoFunc;

  @property({ type: String })
  accessor type: InputType = 'text';

  @property({ type: String })
  accessor placeholder: string = '';

  @property({ type: String })
  accessor value: string = '';

  @property({ type: Boolean })
  accessor disabled: boolean = false;

  @property({ type: String })
  accessor id: string = '';

  @property({ type: String })
  accessor name: string = '';

  @property({ type: String })
  accessor label: string = '';

  @property({ type: String })
  accessor error: string = '';

  @property({ type: Boolean })
  accessor required: boolean = false;

  @property({ type: String })
  accessor autocomplete: string = '';

  public static styles = [
    cssManager.defaultStyles,
    mobileComponentStyles,
    css`
      :host {
        display: block;
      }

      .input-wrapper {
        display: flex;
        flex-direction: column;
        gap: 0.375rem;
      }

      label {
        font-size: 0.875rem;
        font-weight: 500;
        color: var(--dees-foreground);
      }

      label .required {
        color: var(--dees-danger);
        margin-left: 0.25rem;
      }

      input {
        width: 100%;
        height: 2.5rem;
        padding: 0 0.75rem;
        /* 16px minimum to prevent iOS zoom */
        font-size: 1rem;
        line-height: 1.25rem;
        color: var(--dees-foreground);
        background: var(--dees-background);
        border: 1px solid var(--dees-input);
        border-radius: calc(var(--dees-radius) - 2px);
        outline: none;
        transition: all var(--dees-transition-fast);
        box-sizing: border-box;
        -webkit-appearance: none;
        font-family: inherit;
      }

      input:focus {
        outline: 2px solid transparent;
        outline-offset: 2px;
        border-color: var(--dees-ring);
        box-shadow: 0 0 0 2px var(--dees-background), 0 0 0 4px var(--dees-ring);
      }

      input:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        background: var(--dees-muted);
      }

      input::placeholder {
        color: var(--dees-muted-foreground);
      }

      /* Remove number input spinners */
      input::-webkit-outer-spin-button,
      input::-webkit-inner-spin-button {
        -webkit-appearance: none;
        margin: 0;
      }

      input[type=number] {
        -moz-appearance: textfield;
      }

      /* Error state */
      :host([error]) input,
      input.error {
        border-color: var(--dees-danger);
      }

      :host([error]) input:focus,
      input.error:focus {
        box-shadow: 0 0 0 2px var(--dees-background), 0 0 0 4px var(--dees-danger);
      }

      .error-message {
        font-size: 0.75rem;
        color: var(--dees-danger);
        margin-top: 0.25rem;
      }
    `,
  ];

  private handleInput(e: Event) {
    const input = e.target as HTMLInputElement;
    this.value = input.value;
    this.dispatchEvent(new CustomEvent('input', {
      detail: { value: input.value },
      bubbles: true,
      composed: true
    }));
  }

  private handleChange(e: Event) {
    const input = e.target as HTMLInputElement;
    this.value = input.value;
    this.dispatchEvent(new CustomEvent('change', {
      detail: { value: input.value },
      bubbles: true,
      composed: true
    }));
  }

  private handleFocus() {
    // Emit input-focus for keyboard detection
    this.dispatchEvent(new CustomEvent('input-focus', {
      bubbles: true,
      composed: true
    }));
  }

  private handleBlur() {
    // Emit input-blur for keyboard detection
    this.dispatchEvent(new CustomEvent('input-blur', {
      bubbles: true,
      composed: true
    }));
  }

  public render(): TemplateResult {
    return html`
      <div class="input-wrapper">
        ${this.label ? html`
          <label for=${this.id || 'input'}>
            ${this.label}
            ${this.required ? html`<span class="required">*</span>` : ''}
          </label>
        ` : ''}
        <input
          .type=${this.type}
          .placeholder=${this.placeholder}
          .value=${this.value}
          ?disabled=${this.disabled}
          ?required=${this.required}
          .id=${this.id || 'input'}
          .name=${this.name}
          .autocomplete=${this.autocomplete}
          class=${this.error ? 'error' : ''}
          @input=${this.handleInput}
          @change=${this.handleChange}
          @focus=${this.handleFocus}
          @blur=${this.handleBlur}
        />
        ${this.error ? html`
          <div class="error-message">${this.error}</div>
        ` : ''}
      </div>
    `;
  }

  /**
   * Focus the input programmatically
   */
  public focus() {
    const input = this.shadowRoot?.querySelector('input');
    input?.focus();
  }

  /**
   * Blur the input programmatically
   */
  public blur() {
    const input = this.shadowRoot?.querySelector('input');
    input?.blur();
  }
}