import { consolidatedMonthlyCost } from './data/config.js';
import { outlaws } from './data/outlaws.js';
import { computePersonalScore, computeProjectedScore } from './scoring.js';
import type { OffRampPayload, ScoreModel } from './types.js';

export function computeOffRamp(
  selectedIds: string[],
  scoreModel: ScoreModel = 'weighted_average',
): OffRampPayload {
  const replaceableTools = selectedIds
    .map((id) => outlaws.find((o) => o.id === id))
    .filter((o) => o && !o.sovereign) as typeof outlaws;

  const currentScore = computePersonalScore(selectedIds, scoreModel);
  const projectedScore = computeProjectedScore(selectedIds, scoreModel);

  const monthlyFragmented = replaceableTools.reduce(
    (sum, o) => sum + (o.monthlyCost ?? o.bounty),
    0,
  );

  return {
    replaceableTools,
    projectedScore,
    projectedMonthlyCost: consolidatedMonthlyCost,
    monthlySavings: Math.max(0, monthlyFragmented - consolidatedMonthlyCost),
    sovereigntyGain: projectedScore - currentScore,
  };
}