package main

import "testing"

func TestEndpointProvider(t *testing.T) {
	t.Run("ollama http endpoint registers under its name", func(t *testing.T) {
		p, err := endpointProvider("bigbox", "ollama|http://192.168.1.50:11434")
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		if p.Name() != "bigbox" {
			t.Errorf("Name() = %q, want %q", p.Name(), "bigbox")
		}
	})
	t.Run("openai compatible with key", func(t *testing.T) {
		if _, err := endpointProvider("gpu", "openai|http://gpu.lan:8000/v1|sk-x"); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
	})
	t.Run("foreman queue registers under its name", func(t *testing.T) {
		p, err := endpointProvider("m1", "foreman|http://foreman-m1:8080|tok")
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		// WithName(name) must win over the Foreman preset's default "foreman".
		if p.Name() != "m1" {
			t.Errorf("Name() = %q, want %q", p.Name(), "m1")
		}
	})
	t.Run("foreman without token", func(t *testing.T) {
		if _, err := endpointProvider("m5", "foreman|http://foreman-m5:8080"); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
	})
	t.Run("llamaswap registers under its name", func(t *testing.T) {
		p, err := endpointProvider("ls", "llamaswap|http://swap.lan:8080|tok")
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		if p.Name() != "ls" {
			t.Errorf("Name() = %q, want %q", p.Name(), "ls")
		}
	})
	t.Run("llamaswap without token", func(t *testing.T) {
		if _, err := endpointProvider("ls2", "llamaswap|http://swap.lan:8080"); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
	})
	// All llama-swap spellings (hyphenated/TLS variants mirror majordomo's DSN
	// schemes) must resolve to the llamaswap provider.
	for _, name := range []string{"llama-swap", "llama-swaps", "llamaswaps"} {
		t.Run(name+" alias", func(t *testing.T) {
			p, err := endpointProvider("ls", name+"|https://swap.lan:8080|tok")
			if err != nil {
				t.Fatalf("unexpected error: %v", err)
			}
			if p.Name() != "ls" {
				t.Errorf("Name() = %q, want %q", p.Name(), "ls")
			}
		})
	}
	for _, bad := range []string{"", "ollama", "noprovider-no-pipe", "mystery|http://x"} {
		t.Run("rejects "+bad, func(t *testing.T) {
			if _, err := endpointProvider("n", bad); err == nil {
				t.Errorf("endpointProvider(%q) = nil error, want error", bad)
			}
		})
	}
}

// TestOpenAICompatProvidersResolveOnBothPaths pins the two provider switches
// together. kimi and qwen are majordomo built-ins that ARE the openai client at
// a different base URL, and two independent places have to know it:
// resolveModel's GADFLY_BASE_URL override, and endpointProvider's
// GADFLY_ENDPOINT_* parser. Adding a name to one and not the other yields a
// provider that works when configured one way and errors the other, for no
// reason a user could guess — which is exactly what happened here on the first
// pass. Asserting both in one table is what makes the pair fail together.
func TestOpenAICompatProvidersResolveOnBothPaths(t *testing.T) {
	for _, provider := range []string{"openai", "openai-compatible", "kimi", "qwen"} {
		t.Run(provider+" via GADFLY_ENDPOINT_*", func(t *testing.T) {
			p, err := endpointProvider("ep", provider+"|https://host.example/v1|sk-x")
			if err != nil {
				t.Fatalf("endpointProvider(%q): %v", provider, err)
			}
			if p.Name() != "ep" {
				t.Errorf("Name() = %q, want %q", p.Name(), "ep")
			}
		})
		t.Run(provider+" via GADFLY_BASE_URL", func(t *testing.T) {
			t.Setenv("GADFLY_PROVIDER", provider)
			t.Setenv("GADFLY_BASE_URL", "https://host.example/v1")
			t.Setenv("GADFLY_API_KEY", "sk-x")
			t.Setenv("GADFLY_MODEL", "some-model")
			if _, err := resolveModel(); err != nil {
				t.Fatalf("resolveModel with GADFLY_PROVIDER=%q: %v", provider, err)
			}
		})
	}
}

func TestBuildSpec(t *testing.T) {
	tests := []struct {
		name     string
		provider string
		model    string
		want     string
	}{
		{"bare id gets provider prefix", "ollama-cloud", "qwen3-coder:480b-cloud", "ollama-cloud/qwen3-coder:480b-cloud"},
		{"bare id local ollama", "ollama", "llama3.1", "ollama/llama3.1"},
		{"already has provider passes through", "ollama-cloud", "openai/gpt-4o", "openai/gpt-4o"},
		{"slashed model name passes through verbatim", "openai", "openai/meta-llama/Llama-3.1", "openai/meta-llama/Llama-3.1"},
		{"failover chain passes through", "ollama-cloud", "anthropic/opus-4.8,ollama-cloud/qwen3-coder:480b-cloud", "anthropic/opus-4.8,ollama-cloud/qwen3-coder:480b-cloud"},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := buildSpec(tt.provider, tt.model); got != tt.want {
				t.Errorf("buildSpec(%q, %q) = %q, want %q", tt.provider, tt.model, got, tt.want)
			}
		})
	}
}