package config

import (
	"testing"

	"gitea.maximumdirect.net/eric/notarius/internal/core/diagnostics"
	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
)

func TestDefaultValues(t *testing.T) {
	cfg := Default()

	defaultProfile, ok := cfg.LLMProfiles[pipeline.DefaultLLMProfile]
	if !ok {
		t.Fatalf("expected default LLM profile")
	}
	if defaultProfile.Provider != "openai-compatible" {
		t.Fatalf("unexpected provider: %q", defaultProfile.Provider)
	}
	if defaultProfile.BaseURL != "" || defaultProfile.Model != "" {
		t.Fatalf("default profile should not require base URL/model yet: %+v", defaultProfile)
	}
	if defaultProfile.TimeoutSeconds != 600 || defaultProfile.MaxRetries != 3 || defaultProfile.MaxConcurrency != 1 {
		t.Fatalf("unexpected default LLM operational values: %+v", defaultProfile)
	}
	if len(cfg.Pipelines) != 0 {
		t.Fatalf("expected no built-in pipeline profiles, got %v", cfg.Pipelines)
	}
	if cfg.Concurrency.TotalLLM != 1 {
		t.Fatalf("unexpected total LLM concurrency: %d", cfg.Concurrency.TotalLLM)
	}
	if cfg.Diagnostics.WorkDir != "/tmp/notarius" {
		t.Fatalf("unexpected diagnostics work dir: %q", cfg.Diagnostics.WorkDir)
	}
	if cfg.Diagnostics.Retention != diagnostics.RetentionAuto {
		t.Fatalf("unexpected diagnostics retention: %q", cfg.Diagnostics.Retention)
	}
}

func TestApplyFileConfigMergesWithDefaults(t *testing.T) {
	fileCfg, err := ParseFileConfigYAML([]byte(`
version: 1
llm_profiles:
  default:
    model: test-model
pipelines:
  example:
    input: fake/input
    artifacts:
      events:
        extract: fake/extract
`))
	if err != nil {
		t.Fatalf("ParseFileConfigYAML: %v", err)
	}

	cfg := Default()
	if err := cfg.applyFileConfigWithLookup(fileCfg, emptyLookup); err != nil {
		t.Fatalf("ApplyFileConfig: %v", err)
	}

	profile := cfg.LLMProfiles[pipeline.DefaultLLMProfile]
	if profile.Model != "test-model" {
		t.Fatalf("expected file model, got %+v", profile)
	}
	if profile.Provider != "openai-compatible" || profile.TimeoutSeconds != 600 || profile.MaxRetries != 3 {
		t.Fatalf("expected default LLM fields to be preserved, got %+v", profile)
	}
	if cfg.Concurrency.TotalLLM != 1 {
		t.Fatalf("expected default concurrency preserved, got %d", cfg.Concurrency.TotalLLM)
	}
	if cfg.Diagnostics.Retention != diagnostics.RetentionAuto {
		t.Fatalf("expected default diagnostics retention preserved, got %q", cfg.Diagnostics.Retention)
	}
	if _, ok := cfg.Pipelines["example"]; !ok {
		t.Fatalf("expected file pipeline to be applied")
	}
}