package aiprompts

import "testing"

// Regression: A1 categories carry both a legacy HTML formula in categories.prompt
// and a stale description_template written by an old migration (seven English
// boilerplate sections). Preferring whichever side had MORE sections handed the
// stale template to the validation gate while the model was instructed from the
// prompt — every reply then failed as "formula mismatch" and enhance fell back to
// synth or supplier copy. The tenant's own prompt formula must win.
func TestEffectiveDescriptionFormula_promptFormulaBeatsStaleStoredSections(t *testing.T) {
	t.Parallel()
	prompt := SectionDescriptionStart + "\n" +
		`<H2>{Napiši Novo ime izdelka in izpostavi en benefit}</H2>` +
		`<p>{Napiši odstavek, ki je dolg 100 besed.}</p>` +
		`<H2>{Izpostavi en benefit}</H2>` +
		`<p>{Napiši odstavek, ki je dolg 100 besed.}</p>` +
		`<b>{Tehnične specifikacije}</b><ul><li>{Napiši 3-10 tehničnih specifikacij}</li></ul>` + "\n" +
		SectionDescriptionEnd

	stale := map[string]any{"sections": []any{
		map[string]any{"type": "h1", "instructions": "Write a compelling main title."},
		map[string]any{"type": "p", "instructions": "Write a detailed paragraph about specific features."},
		map[string]any{"type": "h2", "instructions": "Create a section heading."},
		map[string]any{"type": "ul", "instructions": "List key features or specifications."},
		map[string]any{"type": "p", "instructions": "Izpostavi eno prednost izdelka."},
		map[string]any{"type": "p", "instructions": "Izpostavi eno prednost izdelka."},
		map[string]any{"type": "p", "instructions": "Izpostavi eno prednost izdelka."},
	}}

	got := EffectiveDescriptionFormula(stale, prompt)
	want := []string{"h2", "p", "h2", "p", "ul"}
	if len(got.Sections) != len(want) {
		t.Fatalf("got %d sections, want the %d from the prompt formula: %+v",
			len(got.Sections), len(want), got.Sections)
	}
	for i, typ := range want {
		if got.Sections[i].Type != typ {
			t.Fatalf("section %d type=%q want %q (%+v)", i, got.Sections[i].Type, typ, got.Sections)
		}
	}
}

// Without a legacy formula in the prompt, the stored template still applies.
func TestEffectiveDescriptionFormula_keepsStoredWhenPromptHasNoFormula(t *testing.T) {
	t.Parallel()
	stored := map[string]any{"sections": []any{
		map[string]any{"type": "h2", "instructions": "Heading"},
		map[string]any{"type": "p", "instructions": "Body"},
	}}
	got := EffectiveDescriptionFormula(stored, "")
	if len(got.Sections) != 2 || got.Sections[0].Type != "h2" {
		t.Fatalf("stored template must survive an empty prompt: %+v", got.Sections)
	}
}