package cmd

import (
	"os"
	"path/filepath"
	"testing"

	"github.com/steveyegge/gastown/internal/beads"
)

func writeTestRoutes(t *testing.T, townRoot string, routes []beads.Route) {
	t.Helper()
	beadsDir := filepath.Join(townRoot, ".beads")
	if err := os.MkdirAll(beadsDir, 0755); err != nil {
		t.Fatalf("create beads dir: %v", err)
	}
	if err := beads.WriteRoutes(beadsDir, routes); err != nil {
		t.Fatalf("write routes: %v", err)
	}
}

func TestGetAgentBeadID_UsesRigPrefix(t *testing.T) {
	townRoot := t.TempDir()
	writeTestRoutes(t, townRoot, []beads.Route{
		{Prefix: "bd-", Path: "beads/mayor/rig"},
	})

	cases := []struct {
		name string
		ctx  RoleContext
		want string
	}{
		{
			name: "mayor",
			ctx: RoleContext{
				Role:     RoleMayor,
				TownRoot: townRoot,
			},
			want: "gt-mayor",
		},
		{
			name: "deacon",
			ctx: RoleContext{
				Role:     RoleDeacon,
				TownRoot: townRoot,
			},
			want: "gt-deacon",
		},
		{
			name: "witness",
			ctx: RoleContext{
				Role:     RoleWitness,
				Rig:      "beads",
				TownRoot: townRoot,
			},
			want: "bd-beads-witness",
		},
		{
			name: "refinery",
			ctx: RoleContext{
				Role:     RoleRefinery,
				Rig:      "beads",
				TownRoot: townRoot,
			},
			want: "bd-beads-refinery",
		},
		{
			name: "polecat",
			ctx: RoleContext{
				Role:     RolePolecat,
				Rig:      "beads",
				Polecat:  "lex",
				TownRoot: townRoot,
			},
			want: "bd-beads-polecat-lex",
		},
		{
			name: "crew",
			ctx: RoleContext{
				Role:     RoleCrew,
				Rig:      "beads",
				Polecat:  "lex",
				TownRoot: townRoot,
			},
			want: "bd-beads-crew-lex",
		},
	}

	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			got := getAgentBeadID(tc.ctx)
			if got != tc.want {
				t.Fatalf("getAgentBeadID() = %q, want %q", got, tc.want)
			}
		})
	}
}