budgets.ts

import type { ParametricReform } from "$lib/reforms"

export interface BudgetCalculationResult {
  compare_before_after?: BudgetPopulationComparison | null
  quantiles: BudgetQuantile[]
  state_budget: StateBudget
}

export interface BudgetPopulationComparison {
  above_after: number
  lower_after: number
  neutral: number
  non_zero_after: number
  non_zero_before: number
  tolerance_factor_used: number
  total: number // Total number of French population (constant for base, reform & amendment)
}

export interface BudgetQuantile {
  assiette_csg_abattue: number
  assiette_csg_abattue_max: number
  assiette_csg_abattue_mean: number
  assiette_csg_abattue_min: number
  assiette_csg_abattue_sum: number
  count: number
  csg_deductible_salaire: number
  csg_deductible_salaire_max: number
  csg_deductible_salaire_mean: number
  csg_deductible_salaire_min: number
  csg_deductible_salaire_sum: number
  csg_imposable_salaire: number
  csg_imposable_salaire_max: number
  csg_imposable_salaire_mean: number
  csg_imposable_salaire_min: number
  csg_imposable_salaire_sum: number
  fraction: number
  irpp: number
  irpp_max: number
  irpp_mean: number
  irpp_min: number
  irpp_sum: number
  quantile_num: 1
  rfr: number
  rfr_max: number
  rfr_mean: number
  rfr_min: number
  rfr_sum: number
}

export interface BudgetQuantileByCalculationName {
  law: BudgetQuantile
  revaluation?: BudgetQuantile
  bill?: BudgetQuantile
  amendment?: BudgetQuantile
}

export interface BudgetSimulation {
  errors: unknown[]
  result: {
    amendement: BudgetCalculationResult
    base: BudgetCalculationResult
    plf: BudgetCalculationResult
    revaluation: BudgetCalculationResult
  }
}

export interface BudgetSimulationCache {
  budgetSimulation: BudgetSimulation
  parametricReform: ParametricReform
}

export interface StateBudget {
  assiette_csg_abattue: number
  csg_deductible_salaire: number
  csg_imposable_salaire: number
  irpp: number
  rfr: number
}