package callruntime

import (
	"context"
	"testing"
	"time"

	"git.ipao.vip/rogee/go-sip/internal/ai"
)

func validConfig() Config {
	return Config{ARIURL: "http://127.0.0.1:1/ari", ARIWebsocketURL: "ws://127.0.0.1:1/ari/events", ARIApplication: "test", ARIUsername: "local", ARIPassword: "isolated-test-only", Endpoint: "PJSIP/local-test", MediaBind: "127.0.0.1", MediaPort: 20000, MediaFormat: "slin16", MediaSampleRate: 16000, PayloadType: 96, Pipeline: ai.MockPipeline{}}
}

func TestRuntimeRejectsInvalidConfigurationBeforeNetwork(t *testing.T) {
	for _, tc := range []struct {
		name   string
		change func(*Config)
	}{
		{"ARI URL", func(c *Config) { c.ARIURL = "" }},
		{"websocket", func(c *Config) { c.ARIWebsocketURL = "" }},
		{"application", func(c *Config) { c.ARIApplication = "" }},
		{"username", func(c *Config) { c.ARIUsername = "" }},
		{"password", func(c *Config) { c.ARIPassword = "" }},
		{"endpoint", func(c *Config) { c.Endpoint = "" }},
		{"media bind", func(c *Config) { c.MediaBind = "" }},
		{"low media port", func(c *Config) { c.MediaPort = 1023 }},
		{"high media port", func(c *Config) { c.MediaPort = 65536 }},
		{"media format", func(c *Config) { c.MediaFormat = "invalid" }},
		{"pipeline", func(c *Config) { c.Pipeline = nil }},
	} {
		t.Run(tc.name, func(t *testing.T) {
			cfg := validConfig()
			tc.change(&cfg)
			if err := cfg.validate(); err == nil {
				t.Fatal("invalid configuration accepted")
			}
			if _, err := Run(context.Background(), cfg); err == nil {
				t.Fatal("invalid configuration reached runtime")
			}
		})
	}
	if err := validConfig().validate(); err != nil {
		t.Fatal(err)
	}
}

func TestRuntimeNormalizationPreservesExplicitSettings(t *testing.T) {
	cfg := validConfig()
	cfg.AnswerTimeout = time.Second
	cfg.TurnWindow = 2 * time.Second
	cfg.FirstSpeechTimeout = 3 * time.Second
	cfg.MaxTurnDuration = 4 * time.Second
	cfg.EndSilence = 5 * time.Second
	cfg.MaxCallDuration = 6 * time.Second
	cfg.VoiceThreshold = 22
	cfg.MaxTurns = 9
	cfg.OpeningPrompt = "configured opening"
	actual := cfg.normalized()
	if actual.AnswerTimeout != cfg.AnswerTimeout || actual.TurnWindow != cfg.TurnWindow || actual.FirstSpeechTimeout != cfg.FirstSpeechTimeout || actual.MaxTurnDuration != cfg.MaxTurnDuration || actual.EndSilence != cfg.EndSilence || actual.MaxCallDuration != cfg.MaxCallDuration || actual.VoiceThreshold != cfg.VoiceThreshold || actual.MaxTurns != cfg.MaxTurns || actual.OpeningPrompt != cfg.OpeningPrompt {
		t.Fatal("explicit conversation settings were overwritten")
	}
	defaults := (Config{}).normalized()
	if defaults.MediaFormat != "slin16" || defaults.MediaSampleRate != 16000 || defaults.AnswerTimeout <= 0 || defaults.TurnWindow <= 0 {
		t.Fatal("invalid normalized transport settings")
	}
}