package runner

import (
	"testing"

	"github.com/easyai/easyai-ai-gateway/apps/api/internal/clients"
	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
)

func TestAttemptMetricsIncludesCacheAffinityCoefficient(t *testing.T) {
	metrics := attemptMetrics(store.RuntimeModelCandidate{
		ModelName:        "deepseek-chat",
		ModelType:        "text_generate",
		PlatformID:       "deepseek-platform",
		PlatformPriority: 100,
		CacheAffinity: store.RuntimeCandidateCacheAffinity{
			Key:                "prompt_lcp_v2:test",
			RequestCount:       2,
			CachedInputTokens:  7296,
			EMAHitRatio:        0.91,
			LastHitRatio:       0.92,
			Confidence:         1,
			Score:              1.74,
			Boost:              20,
			AdjustedPriority:   80,
			MatchedPrefixDepth: 4,
			CandidateCount:     2,
			OverrideReason:     "different_effective_priority_tier",
			Applied:            true,
		},
	}, 1, false)

	if metrics["cacheAffinityScore"] != 1.74 {
		t.Fatalf("expected cache affinity score in attempt metrics, got %+v", metrics)
	}
	if metrics["cacheAffinityCachedInputTokens"] != 7296 {
		t.Fatalf("expected cached input tokens in attempt metrics, got %+v", metrics)
	}
	if metrics["cacheAffinityHitRatio"] != 0.91 || metrics["cacheAffinityLastHitRatio"] != 0.92 {
		t.Fatalf("expected hit ratios in attempt metrics, got %+v", metrics)
	}
	if metrics["cacheAffinityMatched"] != true ||
		metrics["cacheAffinityMatchedPrefixDepth"] != 4 ||
		metrics["cacheAffinityCandidateCount"] != 2 ||
		metrics["cacheAffinityOverrideReason"] != "different_effective_priority_tier" {
		t.Fatalf("expected cache affinity routing diagnostics in attempt metrics, got %+v", metrics)
	}
}

func TestFailureRecordIncludesStructuredClientErrorDetails(t *testing.T) {
	cause := &clients.ClientError{
		Code:    "gemini_image_output_missing",
		Message: "Gemini image response contains no extractable image: prompt blocked",
		Details: map[string]any{
			"provider":          "gemini",
			"reason":            "prompt_blocked",
			"promptBlockReason": "SAFETY",
		},
	}

	_, metrics, _, _, _ := failureMetrics(cause, false)
	details, _ := metrics["errorDetails"].(map[string]any)
	if details["reason"] != "prompt_blocked" || details["promptBlockReason"] != "SAFETY" {
		t.Fatalf("failure metrics lost client error details: %+v", metrics)
	}
	result := buildFailureResult(cause.Code, cause.Message, "", cause)
	errorPayload, _ := result["error"].(map[string]any)
	resultDetails, _ := errorPayload["details"].(map[string]any)
	if resultDetails["provider"] != "gemini" || resultDetails["reason"] != "prompt_blocked" {
		t.Fatalf("failure result lost client error details: %+v", result)
	}
}