import assert from 'node:assert/strict';
import test from 'node:test';
import { applyAction, viewGame, type Game } from '../game/engine';
import { forceRevivalQuote } from '../game/revival';
import { ownedTech } from '../game/tech-tokens';
import {
  assertIndependentSkillsRevivalInventory, createIndependentSkillsRevivalFixture,
  independentSkillsRevivalPlayer,
} from './fixture-independent-skills-revival';

const spiceOf = (game: Game, id: string): number =>
  independentSkillsRevivalPlayer(game, id).spice;

void test('the payer\'s prior free return and the real Recruits activation price the paid revival exactly', () => {
  const fixture = createIndependentSkillsRevivalFixture();
  // Ordinary caps and rates on the real turn-two Revival state.
  assert.deepEqual(fixture.pricing.ordinary, { limit: 3, freeRemaining: 1, forcesRemaining: 3 });
  // A genuine free return before the card is retained, never washed away.
  assert.deepEqual(fixture.pricing.priorReturn, { limit: 3, freeRemaining: 0, revived: 1, freeUsed: 1 });
  const beforeRecruits = independentSkillsRevivalPlayer(fixture.beforeRecruits, fixture.payer);
  assert.equal(beforeRecruits.reserves, 16);
  assert.equal(beforeRecruits.tanks, 4);
  assert.equal(spiceOf(fixture.beforeRecruits, fixture.payer), spiceOf(fixture.atRevival, fixture.payer),
    'A free return costs no spice');
  // The physical card is really played through the ordinary action.
  assert.equal(fixture.beforeMainRevival.recruits?.player, fixture.payer);
  assert.deepEqual(fixture.pricing.doubled, { limit: 7, freeRemaining: 1 });
  // The independent original price of the requested return, from the real state.
  const payer = independentSkillsRevivalPlayer(fixture.beforeMainRevival, fixture.payer);
  assert.deepEqual(forceRevivalQuote(fixture.beforeMainRevival, payer, fixture.pricing.revival.amount),
    { free: 1, normalCost: 6, cost: 6 });
  assert.deepEqual(fixture.pricing.revival, { amount: 4, free: 1, cost: 6 });
  // Without the card the ordinary cap refuses the same request on that state.
  const ordinaryOnly = structuredClone(fixture.atRevival);
  assert.throws(() => applyAction(ordinaryOnly, fixture.payer, { type: 'revive', amount: 4 }));
  // The payer's charge is exactly the quote and its counters move as quoted.
  const after = independentSkillsRevivalPlayer(fixture.afterRevival, fixture.payer);
  assert.equal(spiceOf(fixture.beforeMainRevival, fixture.payer) - after.spice, fixture.pricing.revival.cost);
  assert.equal(after.tanks, beforeRecruits.tanks - fixture.pricing.revival.amount);
  assert.equal(after.reserves, beforeRecruits.reserves + fixture.pricing.revival.amount);
  assert.equal(after.revived, 1 + fixture.pricing.revival.amount);
  assert.equal(after.freeForcesRevived, 1 + fixture.pricing.revival.free);
  assertIndependentSkillsRevivalInventory(fixture.afterRevival);
});

void test('the real revival leaves one unavailable Banker spice that the Mentat Pause credits exactly once', () => {
  const fixture = createIndependentSkillsRevivalFixture();
  const view = viewGame(fixture.afterRevival, fixture.owner).spiceBankerIncome!;
  assert.deepEqual(view.deferred, [{ owner: fixture.owner, amount: 1 }]);
  assert.deepEqual(view.usedThisPhase, [fixture.owner]);
  // Exactly one qualifying Bank payment was recorded, with its real legs.
  const granted = fixture.afterRevival.spiceBankerIncome!.sources.filter(source => source.grant);
  assert.equal(granted.length, 1);
  assert.equal(granted[0].source.kind, 'force-revival');
  assert.deepEqual(granted[0].source.bankLegs, [{ payer: fixture.payer, amount: fixture.pricing.revival.cost }]);
  assert.equal(granted[0].grant!.owner, fixture.owner);
  assert.equal(granted[0].grant!.amount, fixture.grant.deferred);
  // The spice is in front of the shield: the wallet cannot advance early.
  assert.equal(spiceOf(fixture.afterRevival, fixture.owner), spiceOf(fixture.beforeMainRevival, fixture.owner));
  assert.equal(spiceOf(fixture.atMentat2, fixture.owner), spiceOf(fixture.beforeMainRevival, fixture.owner));
  assert.deepEqual(viewGame(fixture.atMentat2, fixture.owner).spiceBankerIncome?.deferred,
    [{ owner: fixture.owner, amount: 1 }]);
  // The actual Mentat Pause pays it once and clears the ledger.
  assert.deepEqual(viewGame(fixture.afterMentat, fixture.owner).spiceBankerIncome?.deferred, []);
  assert.deepEqual(viewGame(fixture.afterMentat, fixture.owner).spiceBankerIncome?.usedThisPhase, []);
  assert.equal(spiceOf(fixture.afterMentat, fixture.owner) - spiceOf(fixture.atMentat2, fixture.owner),
    fixture.grant.deferred, 'Exactly the deferred spice arrives, once');
  assertIndependentSkillsRevivalInventory(fixture.afterMentat);
});

void test('a free-only or below-threshold real revival on the same state earns no Bank income', () => {
  const fixture = createIndependentSkillsRevivalFixture();
  for (const control of fixture.controls) {
    assert.ok(control.paid < 4, `${control.label}: the payer stays below the Bank threshold`);
    assert.equal(control.game.spiceBankerIncome!.sources.filter(source => source.grant).length, 0,
      `${control.label}: no Banker income may be earned`);
    assert.deepEqual(viewGame(control.game, fixture.owner).spiceBankerIncome?.deferred, []);
    assert.deepEqual(viewGame(control.game, fixture.owner).spiceBankerIncome?.usedThisPhase, []);
  }
  const freeOnly = fixture.controls.find(control => control.revivalAction.amount === 2)!;
  assert.equal(freeOnly.paid, 0);
  const returned = independentSkillsRevivalPlayer(freeOnly.game, fixture.payer);
  assert.equal(returned.tanks, 3);
  assert.equal(returned.freeForcesRevived, 2, 'Both returned forces really came from the doubled free rate');
  const below = fixture.controls.find(control => control.revivalAction.amount === 3)!;
  assert.equal(below.paid, 2);
  assert.equal(independentSkillsRevivalPlayer(below.game, fixture.payer).tanks, 2);
});

void test('the Advanced programme preserves real paid revival and deferred Banker collection', () => {
  const basic = createIndependentSkillsRevivalFixture();
  const advanced = createIndependentSkillsRevivalFixture({ advanced: true });
  // The covered revival and Banker mechanics are mode-independent.
  assert.deepEqual(advanced.pricing, basic.pricing);
  assert.deepEqual(advanced.grant, basic.grant);
  assert.deepEqual(advanced.physical, basic.physical);
  assert.equal(spiceOf(advanced.afterRevival, advanced.owner),
    spiceOf(advanced.beforeMainRevival, advanced.owner));
  assert.equal(spiceOf(advanced.afterMentat, advanced.owner) -
    spiceOf(advanced.atMentat2, advanced.owner), advanced.grant.deferred);
  assert.deepEqual(viewGame(advanced.afterMentat, advanced.owner).spiceBankerIncome?.deferred, []);
  assertIndependentSkillsRevivalInventory(advanced.afterMentat);
});

void test('Basic Tech Recruits reopens exhausted genuine Tanks without repeating payment, Axlotl accrual or normal Banker income', () => {
  const f = createIndependentSkillsRevivalFixture({ tech: true });
  let game = structuredClone(f.atRevival);
  const tokenOwner = game.techTokens!.axlotl.owner!;
  const accrual = ownedTech(game.techTokens, tokenOwner).length;
  const payerSpice = spiceOf(game, f.payer);
  const tokenSpice = spiceOf(game, tokenOwner);
  const bankerSpice = spiceOf(game, f.owner);
  assert.ok(tokenOwner && accrual > 0);
  // These are the same five genuine battle losses, not a supplied Tanks pool.
  assert.equal(independentSkillsRevivalPlayer(game, f.payer).tanks, 5);
  game = applyAction(game, f.payer, { type: 'revive', amount: 3 });
  assert.equal(spiceOf(game, f.payer), payerSpice - 4);
  assert.equal(viewGame(game, f.payer).revival.forcesRemaining, 0);
  assert.equal(game.techTokens!.axlotl.spice, accrual);
  assert.equal(spiceOf(game, tokenOwner), tokenSpice - (tokenOwner === f.payer ? 4 : 0),
    'Axlotl is accrued, not spendable, regardless of the actual original custodian');
  game = applyAction(game, f.payer, f.playAction.action);
  assert.equal(independentSkillsRevivalPlayer(game, f.payer).revived, 3);
  assert.equal(independentSkillsRevivalPlayer(game, f.payer).freeForcesRevived, 1);
  assert.equal(spiceOf(game, f.payer), payerSpice - 4, 'Activation does not replay the previous charge');
  const activated = structuredClone(game);
  assert.throws(() => applyAction(game, f.payer, { type: 'revive', amount: 3 }),
    'Only two actual Tanks remain, even though the increased ordinary allowance is larger');
  assert.deepEqual(game, activated);
  game = applyAction(game, f.payer, { type: 'revive', amount: 2 });
  assert.equal(spiceOf(game, f.payer), payerSpice - 6, 'Only the new two-spice quote is charged');
  const returned = independentSkillsRevivalPlayer(game, f.payer);
  assert.equal(returned.tanks, 0);
  assert.equal(returned.reserves, 20);
  assert.equal(returned.revived, 5);
  assert.equal(returned.freeForcesRevived, 2);
  assert.equal(game.techTokens!.axlotl.spice, accrual, 'The second real revival cannot accrue again');
  assert.equal(game.techTokens!.axlotl.triggeredTurn, 2);
  assert.equal(spiceOf(game, tokenOwner), tokenSpice - (tokenOwner === f.payer ? 6 : 0));
  const grants = game.spiceBankerIncome!.sources.filter(source => source.grant);
  assert.equal(grants.length, 1, 'Normal Banker keeps its four-spice threshold; the second two-spice payment does not qualify');
  assert.equal(grants[0].source.kind, 'force-revival');
  assert.deepEqual(grants[0].source.bankLegs, [{ payer: f.payer, amount: 4 }]);
  assert.deepEqual(viewGame(game, f.owner).spiceBankerIncome?.deferred, [{ owner: f.owner, amount: 1 }]);
  assert.equal(spiceOf(game, f.owner), bankerSpice);
  const shipment = f.advanceUntil(game, state => state.turn === 2 && state.phase === 5 &&
    !state.phaseOpening && !state.response && !state.decision);
  assert.equal(shipment.techTokens!.axlotl.spice, 0);
  assert.equal(spiceOf(shipment, tokenOwner), tokenSpice - (tokenOwner === f.payer ? 6 : 0) + accrual,
    'The original phase end alone pays Axlotl once');
  assert.equal(spiceOf(shipment, f.owner), bankerSpice + (tokenOwner === f.owner ? accrual : 0),
    'Only actual Tech custody pays now; Banker remains deferred until Mentat');
  assert.equal(shipment.discard.filter(card => card.id === f.card).length, 1);
  assertIndependentSkillsRevivalInventory(shipment);
});