package config

import (
	"strings"
	"testing"
)

func TestCacheDefaults(t *testing.T) {
	pipelinePath, sessionPath := writeConfigFiles(t, `workspace:
  root: /tmp/narratio
whisperx:
  transcribe_url: https://example.com/transcribe
notification:
  mode: noop
`, `session_id: 2026-05-03
inputs:
  audio_dir: ./audio
`)
	cfg, err := Load(pipelinePath, sessionPath)
	if err != nil {
		t.Fatalf("Load() error = %v", err)
	}
	if cfg.Pipeline.Cache.Root != DefaultCacheRoot {
		t.Fatalf("cache.root = %q, want %q", cfg.Pipeline.Cache.Root, DefaultCacheRoot)
	}
	if cfg.Pipeline.Cache.S3Audio == nil || *cfg.Pipeline.Cache.S3Audio != DefaultCacheS3Audio {
		t.Fatalf("cache.s3_audio = %v, want %v", cfg.Pipeline.Cache.S3Audio, DefaultCacheS3Audio)
	}
}

func TestCacheStrictDecodeRejectsUnknownFields(t *testing.T) {
	pipelinePath, sessionPath := writeConfigFiles(t, `workspace:
  root: /tmp/narratio
cache:
  root: /var/cache/narratio
  unknown: true
`, `session_id: 2026-05-03
inputs:
  audio_dir: ./audio
`)
	_, err := Load(pipelinePath, sessionPath)
	if err == nil || !strings.Contains(err.Error(), "strict decode failed") {
		t.Fatalf("Load() error = %v, want strict decode failed", err)
	}
}

func TestCacheValidationRequiresRootWhenS3AudioEnabled(t *testing.T) {
	pipelinePath, sessionPath := writeConfigFiles(t, `workspace:
  root: /tmp/narratio
cache:
  root: "   "
  s3_audio: true
`, `session_id: 2026-05-03
inputs:
  audio_dir: ./audio
`)
	cfg, err := Load(pipelinePath, sessionPath)
	if err != nil {
		t.Fatalf("Load() error = %v", err)
	}
	err = Validate(cfg)
	if err == nil || !strings.Contains(err.Error(), "pipeline.cache.root is required") {
		t.Fatalf("Validate() error = %v, want cache root error", err)
	}
}