var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
import { injectable, inject } from 'tsyringe';
import { randomUUID } from 'node:crypto';
let UpdatePageUseCase = class UpdatePageUseCase {
    pageRepo;
    pageVersionRepo;
    constructor(pageRepo, pageVersionRepo) {
        this.pageRepo = pageRepo;
        this.pageVersionRepo = pageVersionRepo;
    }
    async execute(input) {
        const existing = await this.pageRepo.findById(input.pageId);
        if (!existing) {
            return { ok: false, error: `Page not found: "${input.pageId}"` };
        }
        if (input.title !== undefined) {
            const trimmed = input.title.trim();
            if (!trimmed) {
                return { ok: false, error: 'Page title cannot be empty.' };
            }
            input.title = trimmed;
        }
        const contentChanged = input.content !== undefined && input.content !== existing.content;
        if (contentChanged) {
            const latestVersion = await this.pageVersionRepo.findLatest(input.pageId);
            const nextVersionNumber = latestVersion ? latestVersion.versionNumber + 1 : 1;
            const now = new Date();
            const version = {
                id: randomUUID(),
                pageId: input.pageId,
                versionNumber: nextVersionNumber,
                title: input.title ?? existing.title,
                content: input.content,
                createdAt: now,
                updatedAt: now,
            };
            await this.pageVersionRepo.create(version);
        }
        const { pageId, ...fields } = input;
        await this.pageRepo.update(pageId, fields);
        const updated = await this.pageRepo.findById(pageId);
        return { ok: true, page: updated };
    }
};
UpdatePageUseCase = __decorate([
    injectable(),
    __param(0, inject('IPageRepository')),
    __param(1, inject('IPageVersionRepository')),
    __metadata("design:paramtypes", [Object, Object])
], UpdatePageUseCase);
export { UpdatePageUseCase };
