package scripts

import (
	"encoding/json"
	"maps"
	"os"
	"testing"
)

func TestReleaseKitProfileDeclaresProductAndDeliverySettings(t *testing.T) {
	data, err := os.ReadFile("../releasekit.json")
	if err != nil {
		t.Fatal(err)
	}
	var raw map[string]json.RawMessage
	if err := json.Unmarshal(data, &raw); err != nil {
		t.Fatal(err)
	}
	var deliveryFields map[string]json.RawMessage
	if err := json.Unmarshal(raw["delivery"], &deliveryFields); err != nil {
		t.Fatal(err)
	}
	if _, exists := deliveryFields["token"]; exists {
		t.Fatal("profile must not contain a credential value")
	}
	var profile struct {
		Product string            `json:"product"`
		Remote  string            `json:"remote"`
		Checks  []json.RawMessage `json:"checks"`
		Build   struct {
			MainPackage string   `json:"main_package"`
			BinaryName  string   `json:"binary_name"`
			Targets     []string `json:"targets"`
		} `json:"build"`
		Delivery struct {
			BaseURL    string `json:"base_url"`
			Owner      string `json:"owner"`
			Repository string `json:"repository"`
			TokenEnv   string `json:"token_env"`
			Forge      string `json:"forge"`
		} `json:"delivery"`
	}
	if err := json.Unmarshal(data, &profile); err != nil {
		t.Fatal(err)
	}
	if len(profile.Checks) != 0 {
		t.Fatal("profile must not define additional checks")
	}
	if profile.Product != "Audita" || profile.Remote != "origin" {
		t.Fatalf("product=%q remote=%q", profile.Product, profile.Remote)
	}
	if profile.Build.MainPackage != "./cmd/audita" || profile.Build.BinaryName != "audita" {
		t.Fatalf("build=%+v", profile.Build)
	}
	if !sameMembers(profile.Build.Targets, []string{"linux/amd64", "linux/arm64"}) {
		t.Fatalf("build targets=%q", profile.Build.Targets)
	}
	if profile.Delivery.BaseURL != "https://gitea.maximumdirect.net" || profile.Delivery.Owner != "eric" || profile.Delivery.Repository != "audita" || profile.Delivery.TokenEnv != "RELEASEKIT_GITEA_TOKEN" || profile.Delivery.Forge != "gitea" {
		t.Fatalf("delivery=%+v", profile.Delivery)
	}
}

func TestReleaseKitTargetMembership(t *testing.T) {
	want := []string{"linux/amd64", "linux/arm64"}
	for _, test := range []struct {
		name    string
		targets []string
		match   bool
	}{
		{"missing amd64", []string{"linux/arm64", "linux/arm64"}, false},
		{"missing arm64", []string{"linux/amd64", "linux/amd64"}, false},
		{"additional target", []string{"linux/amd64", "linux/arm64", "darwin/arm64"}, false},
		{"reordered", []string{"linux/arm64", "linux/amd64"}, true},
		{"repeated", []string{"linux/amd64", "linux/arm64", "linux/amd64"}, true},
	} {
		t.Run(test.name, func(t *testing.T) {
			if got := sameMembers(test.targets, want); got != test.match {
				t.Fatalf("target membership for %q = %t, want %t", test.targets, got, test.match)
			}
		})
	}
}

func sameMembers(got, want []string) bool {
	gotSet := make(map[string]struct{}, len(got))
	for _, value := range got {
		gotSet[value] = struct{}{}
	}
	wantSet := make(map[string]struct{}, len(want))
	for _, value := range want {
		wantSet[value] = struct{}{}
	}
	return maps.Equal(gotSet, wantSet)
}