import { CommonModule } from '@angular/common';
import { Component, computed, inject } from '@angular/core';
import { Router } from '@angular/router';
import { ButtonModule } from 'primeng/button';
import { TableModule } from 'primeng/table';
import { StudentService } from './student.service';
import { LocaleStore } from './translations/locale.service';
import { AppTranslatePipe } from './translations/translate.pipe';

@Component({
	selector: 'app-overview',
	standalone: true,
	imports: [CommonModule, TableModule, ButtonModule, AppTranslatePipe],
	template: `
		<div>
			<div class="header-actions">
				<h2 class="page-title">{{ 'app.studentOverview' | translate }}</h2>
				<div class="action-buttons-header">
					<button
						pButton
						type="button"
						label="Add New Student"
						icon="pi pi-plus"
						class="p-button-primary"
						(click)="goToAdd()"
					></button>
					<button
						pButton
						type="button"
						label="Generate Mock Data"
						icon="pi pi-refresh"
						class="p-button-secondary"
						(click)="generateMock()"
						[disabled]="students().length > 0"
					></button>
				</div>
			</div>

			<p-table
				[value]="students()"
				[paginator]="true"
				[rows]="10"
				[rowsPerPageOptions]="[10, 20, 30]"
				[showCurrentPageReport]="true"
				currentPageReportTemplate="Showing {first} to {last} of {totalRecords} students"
				[stripedRows]="true"
				styleClass="p-datatable-rounded"
				[responsiveLayout]="'stack'"
			>
				<ng-template pTemplate="header">
					<tr>
						<th>Name</th>
						<th>Email</th>
						<th>Courses</th>
						<th style="width: 150px">Actions</th>
					</tr>
				</ng-template>
				<ng-template pTemplate="body" let-st>
					<tr>
						<td><span class="p-column-title">Name</span>{{ st.name }}</td>
						<td><span class="p-column-title">Email</span>{{ st.email }}</td>
						<td>
							<span class="p-column-title">Courses</span
							>{{ st.courses.join(', ') }}
						</td>
						<td>
							<span class="p-column-title">Actions</span>
							<div class="action-buttons">
								<button
									pButton
									icon="pi pi-pencil"
									class="p-button-rounded p-button-text"
									tooltipPosition="top"
									pTooltip="Edit Student"
									(click)="editStudent(st.id)"
								></button>
								<button
									pButton
									icon="pi pi-trash"
									class="p-button-rounded p-button-text p-button-danger"
									tooltipPosition="top"
									pTooltip="Delete Student"
									(click)="deleteStudent(st.id)"
								></button>
							</div>
						</td>
					</tr>
				</ng-template>
				<ng-template pTemplate="emptymessage">
					<tr>
						<td colspan="4" class="text-center">
							No students found. Add your first student!
						</td>
					</tr>
				</ng-template>
			</p-table>
		</div>
	`,
	styles: [
		`
			.header-actions {
				display: flex;
				justify-content: space-between;
				align-items: center;
				margin-bottom: 1.5rem;
				gap: 1rem;
			}

			.action-buttons-header {
				display: flex;
				gap: 1rem;
			}

			.page-title {
				margin-bottom: 0;
			}

			.action-buttons {
				display: flex;
				gap: 0.5rem;
				justify-content: center;
			}

			:host ::ng-deep {
				.p-datatable {
					border-radius: var(--border-radius);
					overflow: hidden;
					box-shadow: var(--card-shadow);
					background-color: var(--card-background);

					.p-datatable-header {
						background-color: var(--card-background) !important;
						border: none;
						padding: 1.25rem 1.5rem;
					}

					.p-datatable-thead > tr > th {
						background-color: var(--table-header-bg) !important;
						color: var(--text-color) !important;
						padding: 1rem 1.5rem;
						font-weight: 700;
						border-width: 0 0 1px 0;
						border-color: var(--table-border-color);
					}

					.p-datatable-tbody > tr {
						background-color: var(--table-row-bg) !important;
						color: var(--text-color) !important;

						&:hover {
							background-color: var(--table-row-hover-bg) !important;
						}

						> td {
							background-color: transparent !important;
							color: var(--text-color) !important;
							padding: 1rem 1.5rem;
							border-width: 0 0 1px 0;
							border-color: var(--table-border-color);
						}

						&:last-child > td {
							border-bottom: none;
						}
					}

					.p-paginator {
						border-width: 0;
						padding: 1.25rem;
						background-color: var(--card-background) !important;

						.p-paginator-page {
							&:hover:not(.p-highlight) {
								background-color: var(--paginator-button-hover-bg) !important;
							}

							&.p-highlight {
								background-color: #000000 !important;
								color: #ffffff !important;
								border-color: #000000 !important;
								font-weight: 600;
							}
						}
					}

					.p-column-title {
						display: none;
					}

					.p-datatable-emptymessage td {
						color: var(--text-color) !important;
						background-color: var(--table-row-bg) !important;
					}
				}

				.p-button {
					border-radius: var(--input-radius);
					font-weight: 600;
					letter-spacing: 0.2px;
					transition: background 0.2s, color 0.2s, box-shadow 0.2s;
					box-shadow: none;
				}
			}

			@media screen and (max-width: 768px) {
				.header-actions {
					flex-direction: column;
					align-items: stretch;
					gap: 1rem;
				}

				:host ::ng-deep {
					.p-datatable {
						.p-datatable-tbody > tr > td {
							padding: 1rem;
							background-color: transparent !important;

							.p-column-title {
								display: inline-block;
								font-weight: bold;
								margin-right: 0.5rem;
								color: var(--text-color);
							}
						}
					}
				}
			}
		`,
	],
})
export class OverviewComponent {
	private readonly router = inject(Router);
	private readonly studentsService = inject(StudentService);
	private readonly localeStore = inject(LocaleStore);
	protected readonly students = computed(() => this.studentsService.students());
	protected generateMock = () => this.studentsService.generateMockData();

	goToAdd() {
		this.router.navigate([
			`/${this.localeStore.getCurrentLocale()}/students/add`,
		]);
	}

	editStudent(id: number) {
		this.router.navigate(
			[`/${this.localeStore.getCurrentLocale()}/students/edit`],
			{
				queryParams: {
					id,
				},
			}
		);
	}

	deleteStudent(id: string) {
		this.studentsService.deleteSutdent(id);
	}
}