meta {
  name: POST branch select deny branch already chosen
  type: http
  seq: 4
}

docs {
  NEO-48: self-contained deny — pre-request grants salvage to level 2 and picks scrap_efficiency;
  main request conflicts with bulk_haul on the same tier. Expects selected false + branch_already_chosen.
}

script:pre-request {
  const baseUrl = bru.getVar("baseUrl");
  const grant = await bru.sendRequest({
    method: "POST",
    url: `${baseUrl}/game/players/dev-local-1/skill-progression`,
    headers: { "Content-Type": "application/json" },
    data: {
      schemaVersion: 1,
      skillId: "salvage",
      amount: 100,
      sourceKind: "activity",
    },
  });
  if (grant.status !== 200) {
    throw new Error(`salvage grant failed: ${grant.status}`);
  }
  const firstPick = await bru.sendRequest({
    method: "POST",
    url: `${baseUrl}/game/players/dev-local-1/perk-state`,
    headers: { "Content-Type": "application/json" },
    data: {
      schemaVersion: 1,
      skillId: "salvage",
      tierIndex: 1,
      branchId: "scrap_efficiency",
    },
  });
  if (firstPick.status !== 200 || firstPick.data?.selected !== true) {
    throw new Error(`tier-1 pick failed: ${firstPick.status} ${JSON.stringify(firstPick.data)}`);
  }
}

post {
  url: {{baseUrl}}/game/players/dev-local-1/perk-state
  body: json
  auth: none
}

body:json {
  {
    "schemaVersion": 1,
    "skillId": "salvage",
    "tierIndex": 1,
    "branchId": "bulk_haul"
  }
}

tests {
  test("denies second pick with branch_already_chosen", function () {
    expect(res.getStatus()).to.equal(200);
    const body = res.getBody();
    expect(body.schemaVersion).to.equal(1);
    expect(body.selected).to.equal(false);
    expect(body.reasonCode).to.equal("branch_already_chosen");
    expect(body.unlockedEvents).to.be.an("array").that.is.empty;
    const salvage = body.perkState.branchPicks.find((t) => t.skillId === "salvage");
    expect(salvage).to.be.an("object");
    const pick = salvage.picks.find((p) => p.tierIndex === 1);
    expect(pick.branchId).to.equal("scrap_efficiency");
  });
}