package api

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"crypto-miner-server/internal/pool"
)

func TestFleetAgentPolicyNormalize(t *testing.T) {
	p := normalizeFleetAgentPolicy(FleetAgentPolicy{
		MiningMode:     "  SCHEDULED ",
		MaxCPUUsagePct: 150,
	})
	if p.MiningMode != "scheduled" {
		t.Fatalf("mode=%q", p.MiningMode)
	}
	if p.MaxCPUUsagePct != 100 {
		t.Fatalf("cpu cap=%d", p.MaxCPUUsagePct)
	}
}

func TestModuleStoreEmbeddedPacks(t *testing.T) {
	store := NewModuleStore(t.TempDir(), func() string { return "fleet-test-secret" })
	m, err := store.Get("spread")
	if err != nil {
		t.Fatal(err)
	}
	if m.Name != "spread" || m.Signature == "" {
		t.Fatalf("bad manifest: %+v", m)
	}
	if !VerifyModuleSignature(m, "fleet-test-secret") {
		t.Fatal("signature should verify")
	}
}

func TestMarshalPolicyUpdatePayload(t *testing.T) {
	raw := marshalPolicyUpdatePayload("pol-test-1", FleetAgentPolicy{
		MiningMode:     "idle",
		MaxCPUUsagePct: 55,
	})
	var m map[string]interface{}
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}
	if m["push_id"] != "pol-test-1" || m["mining_mode"] != "idle" {
		t.Fatalf("unexpected payload: %+v", m)
	}
}

func TestPutFleetPolicyAPI(t *testing.T) {
	hub := NewWSHub(nil)
	SetAgentPathSecret("policy-test-secret")
	handler := NewFleetHandler(nil, hub, nil, nil, nil, poolConfigZero(), t.TempDir())

	body, _ := json.Marshal(fleetPolicyRequest{
		AgentIDs: []string{"all"},
		Policy: FleetAgentPolicy{
			MiningMode:     "scheduled",
			ScheduleStart:  "22:00",
			ScheduleEnd:    "06:00",
			MaxCPUUsagePct: 60,
		},
	})
	req := httptest.NewRequest(http.MethodPut, "/api/v1/fleet/policy", bytes.NewReader(body))
	rec := httptest.NewRecorder()
	handler.PutFleetPolicy(rec, req)
	if rec.Code != http.StatusOK {
		t.Fatalf("status %d body %s", rec.Code, rec.Body.String())
	}
	var resp map[string]interface{}
	if err := json.Unmarshal(rec.Body.Bytes(), &resp); err != nil {
		t.Fatal(err)
	}
	if resp["success"] != false {
		t.Fatalf("expected success=false with no agents: %+v", resp)
	}
}

func poolConfigZero() pool.Config { return pool.Config{} }