import type { RequirementStatus } from '@/types'

const API_BASE_URL = '/api'

class RequirementStatusService {
  /**
   * Get all requirement lifecycle statuses.
   */
  async getStatuses(): Promise<RequirementStatus[]> {
    try {
      const response = await fetch(`${API_BASE_URL}/requirement-statuses`, {
        method: 'GET',
        credentials: 'include',
        headers: {
          'Content-Type': 'application/json',
        },
      })

      if (!response.ok) {
        throw new Error(`HTTP error! status: ${response.status}`)
      }

      const statuses: RequirementStatus[] = await response.json()
      return statuses
    } catch (error) {
      console.error('Failed to fetch requirement statuses:', error)
      throw error
    }
  }

  /**
   * Check if a requirement is in draft status.
   */
  isDraft(status: RequirementStatus | null): boolean {
    return status?.status_code === 'DRAFT'
  }
}

export const requirementStatusService = new RequirementStatusService()