package handlers

import "testing"

func TestParsePortValues(t *testing.T) {
	tests := []struct {
		name      string
		host      string
		container string
		wantHost  int
		wantCont  int
		wantValid bool
	}{
		{"valid ports", "8080", "80", 8080, 80, true},
		{"port 1", "1", "1", 1, 1, true},
		{"port 65535", "65535", "65535", 65535, 65535, true},
		{"host port above 65535", "99999", "80", 0, 0, false},
		{"container port above 65535", "80", "99999", 0, 0, false},
		{"both ports above 65535", "70000", "70000", 0, 0, false},
		{"zero port", "0", "80", 0, 0, false},
		{"negative port", "-1", "80", 0, 0, false},
		{"non-numeric", "abc", "80", 0, 0, false},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			host, cont, valid := parsePortValues(tt.host, tt.container)
			if host != tt.wantHost || cont != tt.wantCont || valid != tt.wantValid {
				t.Errorf("parsePortValues(%q, %q) = (%d, %d, %v), want (%d, %d, %v)",
					tt.host, tt.container, host, cont, valid,
					tt.wantHost, tt.wantCont, tt.wantValid)
			}
		})
	}
}