package api

import (
	"encoding/json"
	"testing"
)

func TestDiscoveryQueryNormalisationCollapsesTheSameQuestion(t *testing.T) {
	same := []string{"Disclosure Day", "disclosure day", "  disclosure   day  ", "DISCLOSURE  Day"}
	want := normaliseDiscoveryQuery(same[0])
	for _, query := range same[1:] {
		if got := normaliseDiscoveryQuery(query); got != want {
			t.Fatalf("%q normalised to %q, want %q", query, got, want)
		}
	}
	if normaliseDiscoveryQuery("disclosure") == want {
		t.Fatal("a materially different query must not share a cache key")
	}
}

func TestDiscoveryFloorIsCountedInRunes(t *testing.T) {
	for _, query := range []string{"", " ", "d", "di", "  di  "} {
		if discoveryQueryEligible(query) {
			t.Fatalf("%q should not reach Sonarr or Radarr", query)
		}
	}
	for _, query := range []string{"dis", "disclosure day", "君の名は"} {
		if !discoveryQueryEligible(query) {
			t.Fatalf("%q should be eligible for discovery", query)
		}
	}
}

func TestRequestableIsStampedOnTheWayOut(t *testing.T) {
	items := []json.RawMessage{
		searchExternalItem("Disclosure Day", 2027, "", "Movie", "radarr", RequestStatusRequestable, "12", "", false),
		searchExternalItem("Something Tracked", 2020, "", "Series", "sonarr", RequestStatusProcessing, "34", "", false),
	}
	for _, canRequest := range []bool{true, false} {
		decorated := applyRequestable(append([]json.RawMessage{}, items...), canRequest)
		var requestable, processing map[string]any
		if err := json.Unmarshal(decorated[0], &requestable); err != nil {
			t.Fatal(err)
		}
		if err := json.Unmarshal(decorated[1], &processing); err != nil {
			t.Fatal(err)
		}
		if requestable["MembyRequestable"] != canRequest {
			t.Fatalf("canRequest=%v: requestable candidate got %v", canRequest, requestable["MembyRequestable"])
		}
		// Only a title nothing has and nobody has asked for offers the button, whatever
		// this viewer is permitted to do.
		if processing["MembyRequestable"] != false {
			t.Fatalf("canRequest=%v: a tracked title must never offer Request", canRequest)
		}
	}
}

func TestDiscoveryMergeCollapsesOnProviderID(t *testing.T) {
	merged := []json.RawMessage{}
	one := searchExternalItem("Disclosure Day", 2027, "", "Movie", "radarr", RequestStatusRequestable, "12", "", false)
	merged = mergeSearchRaw(merged, one, 20)
	merged = mergeSearchRaw(merged, one, 20)
	if len(merged) != 1 {
		t.Fatalf("one title reported twice produced %d cards", len(merged))
	}
}