import { Inject, Injectable } from '@nestjs/common';
import {
VAULT_REPOSITORY,
VaultRepository,
NOTE_PARSER,
NoteParser,
LOGGER_PORT,
LoggerPort,
} from '@application/ports';
import { TaskStatus } from '@domain/enums';
export interface ToggleTaskInput {
sourcePath: string;
lineNumber: number;
}
export interface ToggleTaskOutput {
text: string;
newStatus: TaskStatus;
}
@Injectable()
export class ToggleTaskUseCase {
constructor(
@Inject(VAULT_REPOSITORY) private readonly vault: VaultRepository,
@Inject(NOTE_PARSER) private readonly parser: NoteParser,
@Inject(LOGGER_PORT) private readonly logger: LoggerPort,
) {}
async execute(input: ToggleTaskInput): Promise<ToggleTaskOutput> {
const content = await this.vault.readFile(input.sourcePath);
const lines = content.split('\n');
const line = lines[input.lineNumber - 1];
if (!line) {
throw new Error(`Line ${input.lineNumber} not found in ${input.sourcePath}`);
}
let newLine: string;
let newStatus: TaskStatus;
if (line.includes('- [ ]')) {
newLine = line.replace('- [ ]', '- [x]');
newStatus = TaskStatus.COMPLETED;
} else if (line.includes('- [x]')) {
newLine = line.replace('- [x]', '- [ ]');
newStatus = TaskStatus.PENDING;
} else {
throw new Error(`Line ${input.lineNumber} is not a task`);
}
await this.vault.replaceLine(input.sourcePath, input.lineNumber, newLine);
const text = line.replace(/^(\s*)- \[.\] /, '').trim();
this.logger.info('Task toggled', {
path: input.sourcePath,
lineNumber: input.lineNumber,
newStatus,
});
return { text, newStatus };
}
}
