package bambunfc

import (
	"errors"
	"os"
	"slices"
	"testing"
)

func TestMergeFixtures(t *testing.T) {
	t.Parallel()
	f, err := os.Open("testdata/dumps.zip")
	if err != nil {
		t.Fatal(err)
	}
	defer f.Close()
	tags, err := ParseZip(f)
	if err != nil {
		t.Fatal(err)
	}
	spools, err := Merge(tags)
	if err != nil {
		t.Fatal(err)
	}
	if len(spools) != 3 {
		t.Fatalf("len(spools) = %d; want 3", len(spools))
	}

	byTray := map[string]Spool{}
	for _, s := range spools {
		byTray[s.TrayUID] = s
	}

	a, ok := byTray["2fb8e0e972084e74bf737393b28e7b12"]
	if !ok {
		t.Fatal("missing spool A")
	}
	if !slices.Equal(a.ChipUIDs, []string{"52d60177", "e27be276"}) {
		t.Errorf("spool A chips %v", a.ChipUIDs)
	}
	if a.Type != "PETG Translucent" || a.Brand != BrandBambuLab {
		t.Errorf("spool A type/brand %s %s", a.Type, a.Brand)
	}

	b, ok := byTray["aa42f322172c48e99c0ece895346ea9f"]
	if !ok {
		t.Fatal("missing spool B")
	}
	if !slices.Equal(b.ChipUIDs, []string{"92a80577", "b2d32177"}) {
		t.Errorf("spool B chips %v", b.ChipUIDs)
	}

	c, ok := byTray["3cb568b7af4f41819412fe60afc5c446"]
	if !ok {
		t.Fatal("missing spool C")
	}
	if !slices.Equal(c.ChipUIDs, []string{"92b6fb31", "f28c58ed"}) {
		t.Errorf("spool C chips %v", c.ChipUIDs)
	}
	if c.Type != "PETG Basic" || c.Color.Hex() != "#000000FF" {
		t.Errorf("spool C %s %s", c.Type, c.Color.Hex())
	}

	for i := 1; i < len(spools); i++ {
		if spools[i-1].TrayUID > spools[i].TrayUID {
			t.Fatalf("spools not sorted by TrayUID")
		}
	}
}

func TestMergeConflict(t *testing.T) {
	t.Parallel()
	a := Tag{Brand: BrandBambuLab, TrayUID: "aa", ChipUID: "01", Type: "PLA", Material: "PLA", WeightG: 1000}
	b := Tag{Brand: BrandBambuLab, TrayUID: "aa", ChipUID: "02", Type: "PETG", Material: "PETG", WeightG: 1000}
	_, err := Merge([]Tag{a, b})
	if !errors.Is(err, ErrConflict) {
		t.Errorf("err = %v; want ErrConflict", err)
	}
}

func TestMergeEmptyTray(t *testing.T) {
	t.Parallel()
	_, err := Merge([]Tag{{Brand: BrandBambuLab, ChipUID: "01", Type: "PLA"}})
	if !errors.Is(err, ErrIncomplete) {
		t.Errorf("err = %v; want ErrIncomplete", err)
	}
}