import type { Project } from '../domain/types'
import { normalizeProject } from './exportImport'
import type { ProjectRepository } from './ProjectRepository'

const STORAGE_KEY = 'av-planner:project:v1'

export class LocalStorageProjectRepository implements ProjectRepository {
  async load(): Promise<Project | null> {
    try {
      const raw = window.localStorage.getItem(STORAGE_KEY)
      if (!raw) return null
      return normalizeProject(JSON.parse(raw) as Project)
    } catch (err) {
      console.error('Failed to load project from localStorage', err)
      return null
    }
  }

  async save(project: Project): Promise<void> {
    window.localStorage.setItem(STORAGE_KEY, JSON.stringify(project))
  }

  async clear(): Promise<void> {
    window.localStorage.removeItem(STORAGE_KEY)
  }
}