cn.ps1

# Dictionary of all the countries and their codes
$countryCodes = @{
    "AF" = "Afghanistan"
    "AL" = "Albania"
    "DZ" = "Algeria"
    "AD" = "Andorra"
    "AO" = "Angola"
    "AG" = "Antigua and Barbuda"
    "AR" = "Argentina"
    "AM" = "Armenia"
    "AU" = "Australia"
    "AT" = "Austria"
    "AZ" = "Azerbaijan"
    "BS" = "Bahamas"
    "BH" = "Bahrain"
    "BD" = "Bangladesh"
    "BB" = "Barbados"
    "BY" = "Belarus"
    "BE" = "Belgium"
    "BZ" = "Belize"
    "BJ" = "Benin"
    "BT" = "Bhutan"
    "BO" = "Bolivia"
    "BA" = "Bosnia and Herzegovina"
    "BW" = "Botswana"
    "BR" = "Brazil"
    "BN" = "Brunei"
    "BG" = "Bulgaria"
    "BF" = "Burkina Faso"
    "BI" = "Burundi"
    "CV" = "Cabo Verde"
    "KH" = "Cambodia"
    "CM" = "Cameroon"
    "CA" = "Canada"
    "CF" = "Central African Republic"
    "TD" = "Chad"
    "CL" = "Chile"
    "CN" = "China"
    "CO" = "Colombia"
    "KM" = "Comoros"
    "CG" = "Congo"
    "CD" = "Congo (Democratic Republic of the)"
    "CR" = "Costa Rica"
    "HR" = "Croatia"
    "CU" = "Cuba"
    "CY" = "Cyprus"
    "CZ" = "Czech Republic"
    "DK" = "Denmark"
    "DJ" = "Djibouti"
    "DM" = "Dominica"
    "DO" = "Dominican Republic"
    "EC" = "Ecuador"
    "EG" = "Egypt"
    "SV" = "El Salvador"
    "GQ" = "Equatorial Guinea"
    "ER" = "Eritrea"
    "EE" = "Estonia"
    "SZ" = "Eswatini"
    "ET" = "Ethiopia"
    "FJ" = "Fiji"
    "FI" = "Finland"
    "FR" = "France"
    "GA" = "Gabon"
    "GM" = "Gambia"
    "GE" = "Georgia"
    "DE" = "Germany"
    "GH" = "Ghana"
    "GR" = "Greece"
    "GD" = "Grenada"
    "GT" = "Guatemala"
    "GN" = "Guinea"
    "GW" = "Guinea-Bissau"
    "GY" = "Guyana"
    "HT" = "Haiti"
    "HN" = "Honduras"
    "HU" = "Hungary"
    "IS" = "Iceland"
    "IN" = "India"
    "ID" = "Indonesia"
    "IR" = "Iran"
    "IQ" = "Iraq"
    "IE" = "Ireland"
    "IL" = "Israel"
    "IT" = "Italy"
    "JM" = "Jamaica"
    "JP" = "Japan"
    "JO" = "Jordan"
    "KZ" = "Kazakhstan"
    "KE" = "Kenya"
    "KI" = "Kiribati"
    "KP" = "Korea (North)"
    "KR" = "Korea (South)"
    "KW" = "Kuwait"
    "KG" = "Kyrgyzstan"
    "LA" = "Laos"
    "LV" = "Latvia"
    "LB" = "Lebanon"
    "LS" = "Lesotho"
    "LR" = "Liberia"
    "LY" = "Libya"
    "LI" = "Liechtenstein"
    "LT" = "Lithuania"
    "LU" = "Luxembourg"
    "MG" = "Madagascar"
    "MW" = "Malawi"
    "MY" = "Malaysia"
    "MV" = "Maldives"
    "ML" = "Mali"
    "MT" = "Malta"
    "MH" = "Marshall Islands"
    "MR" = "Mauritania"
    "MU" = "Mauritius"
    "MX" = "Mexico"
    "FM" = "Micronesia"
    "MD" = "Moldova"
    "MC" = "Monaco"
    "MN" = "Mongolia"
    "ME" = "Montenegro"
    "MA" = "Morocco"
    "MZ" = "Mozambique"
    "MM" = "Myanmar"
    "NA" = "Namibia"
    "NR" = "Nauru"
    "NP" = "Nepal"
    "NL" = "Netherlands"
    "NZ" = "New Zealand"
    "NI" = "Nicaragua"
    "NE" = "Niger"
    "NG" = "Nigeria"
    "MK" = "North Macedonia"
    "NO" = "Norway"
    "OM" = "Oman"
    "PK" = "Pakistan"
    "PW" = "Palau"
    "PA" = "Panama"
    "PG" = "Papua New Guinea"
    "PY" = "Paraguay"
    "PE" = "Peru"
    "PH" = "Philippines"
    "PL" = "Poland"
    "PT" = "Portugal"
    "QA" = "Qatar"
    "RO" = "Romania"
    "RU" = "Russia"
    "RW" = "Rwanda"
    "KN" = "Saint Kitts and Nevis"
    "LC" = "Saint Lucia"
    "VC" = "Saint Vincent and the Grenadines"
    "WS" = "Samoa"
    "SM" = "San Marino"
    "ST" = "Sao Tome and Principe"
    "SA" = "Saudi Arabia"
    "SN" = "Senegal"
    "RS" = "Serbia"
    "SC" = "Seychelles"
    "SL" = "Sierra Leone"
    "SG" = "Singapore"
    "SK" = "Slovakia"
    "SI" = "Slovenia"
    "SB" = "Solomon Islands"
    "SO" = "Somalia"
    "ZA" = "South Africa"
    "SS" = "South Sudan"
    "ES" = "Spain"
    "LK" = "Sri Lanka"
    "SD" = "Sudan"
    "SR" = "Suriname"
    "SE" = "Sweden"
    "CH" = "Switzerland"
    "SY" = "Syria"
    "TW" = "Taiwan"
    "TJ" = "Tajikistan"
    "TZ" = "Tanzania"
    "TH" = "Thailand"
    "TL" = "Timor-Leste"
    "TG" = "Togo"
    "TO" = "Tonga"
    "TT" = "Trinidad and Tobago"
    "TN" = "Tunisia"
    "TR" = "Turkey"
    "TM" = "Turkmenistan"
    "TV" = "Tuvalu"
    "UG" = "Uganda"
    "UA" = "Ukraine"
    "AE" = "United Arab Emirates"
    "GB" = "United Kingdom"
    "US" = "United States"
    "UY" = "Uruguay"
    "UZ" = "Uzbekistan"
    "VU" = "Vanuatu"
    "VE" = "Venezuela"
    "VN" = "Vietnam"
    "YE" = "Yemen"
    "ZM" = "Zambia"
    "ZW" = "Zimbabwe"
}

# Function to lookup by country code
function Lookup-ByCode {
    param (
        [string]$code
    )
    if ($countryCodes.ContainsKey($code.ToUpper())) {
        Write-Output "The country for code '$code' is: $($countryCodes[$code.ToUpper()])"
    }
    else {
        Write-Output "Country code '$code' not found."
    }
}

# Function to lookup by country name
function Lookup-ByName {
    param (
        [string]$name
    )
    $found = $false
    foreach ($code in $countryCodes.Keys) {
        if ($countryCodes[$code].ToLower() -eq $name.ToLower()) {
            Write-Output "The country code for '$name' is: $code"
            $found = $true
            break
        }
    }
    if (-not $found) {
        Write-Output "Country name '$name' not found."
    }
}


param (
    [string]$input
)

if ($input.Length -eq 2) {
    Lookup-ByCode -code $input
}
else {
    Lookup-ByName -name $input
}