import test from 'node:test';
import assert from 'node:assert/strict';
import {statisticsAmountColumns,statisticsAmountOptions} from '../src/statisticsAmountColumns.mjs';
import {statisticsMetric} from '../src/statisticsChartData.mjs';

test('each PHP amount choice keeps only its amount column',()=>{
 for(const key of Object.keys(statisticsAmountOptions).filter(k=>k!=='ALL'))assert.deepEqual(statisticsAmountColumns({displayMetric:key}).map(c=>c.key),[key]);
 assert.equal(statisticsAmountColumns({displayMetric:'ratio'})[0].kind,'percent');
 assert.equal(statisticsAmountColumns({displayMetric:'kilometers'})[0].kind,'number');
 assert.equal(statisticsAmountColumns({displayMetric:'co2eKg'})[0].kind,'number');
});
test('all values and older results include EAU and BSG in detail rows',()=>{
 const keys=['revenue','courierRevenue','margin','ratio','serviceRevenue','fuelMarkup','courierService','kilometers','co2eKg'];
 for(const displayMetric of [undefined,'ALL','unknown'])assert.deepEqual(statisticsAmountColumns({displayMetric}).map(c=>c.key),keys);
});
test('separate fuel columns follow the selected price basis without duplicates',()=>{
 for(const [displayMetric,extra] of [['revenue','fuelMarkup'],['courierRevenue','courierFuelMarkup'],['margin','fuelMargin']])assert.deepEqual(statisticsAmountColumns({displayMetric,separateFuel:true}).map(c=>c.key),[displayMetric,extra]);
 const all=statisticsAmountColumns({displayMetric:'ALL',separateFuel:true}).map(c=>c.key);assert.equal(new Set(all).size,all.length);
 assert.deepEqual(statisticsAmountColumns({displayMetric:'kilometers',separateFuel:true}).map(c=>c.key),['kilometers']);
});
test('amount cells preserve unknown values and use aggregate BSG instead of averaging row ratios',()=>{
 const rows=[{revenue:100,courierRevenue:50},{revenue:900,courierRevenue:810}];
 assert.ok(Math.abs(statisticsMetric({revenue:1000,courierRevenue:860},'ratio')-14)<1e-10);
 assert.notEqual((statisticsMetric(rows[0],'ratio')+statisticsMetric(rows[1],'ratio'))/2,14);
 assert.equal(statisticsMetric({revenue:100,courierRevenue:null},'margin'),null);
 assert.equal(statisticsMetric({revenue:0,courierRevenue:0},'ratio'),null);
 assert.equal(statisticsMetric({co2eKg:0},'co2eKg'),0);
});