import (
	net.http
	time
)

struct SetCookieTestCase {
	cookie &http.Cookie
	raw string
}

struct ReadSetCookiesTestCase {
	header map[string][]string
	cookies []&http.Cookie
}

struct AddCookieTestCase {
	cookie []&http.Cookie
	raw string
}

const (
	write_set_cookie_tests = [
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-1', value: 'v1'},
			raw: 'cookie-1=v1'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-2', value: 'two', max_age: 3600},
			raw: 'cookie-2=two; Max-Age=3600'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-3', value: 'three', domain: '.example.com'},
			raw: 'cookie-3=three; domain=example.com'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-4', value: 'four', path: '/restricted/'},
			raw: 'cookie-4=four; path=/restricted/'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-5', value: 'five', domain: 'wrong;bad.abc'},
			raw: 'cookie-5=five'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-6', value: 'six', domain: 'bad-.abc'},
			raw: 'cookie-6=six'
		},
		// SetCookieTestCase{
		// 	cookie: &http.Cookie{name: 'cookie-7', value: 'seven', domain: '127.0.0.1'},
		// 	raw: 'cookie-7=seven; domain=127.0.0.1'
		// },
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-8', value: 'eight', domain: '::1'},
			raw: 'cookie-8=eight'
		},
		// {
		// 	cookie: &http.Cookie{name: 'cookie-9', value: 'expiring', expires: time.unix(1257894000, 0)},
		// 	'cookie-9=expiring; Expires=Tue, 10 Nov 2009 23:00:00 GMT',
		// },
		// According to IETF 6265 Section 5.1.1.5, the year cannot be less than 1601
		// SetCookieTestCase{
		// 	cookie: &http.Cookie{name: 'cookie-10', value: 'expiring-1601', expires: time.parse('Mon, 01 Jan 1601 01:01:01 GMT')},
		// 	raw: 'cookie-10=expiring-1601; Expires=Mon, 01 Jan 1601 01:01:01 GMT'
		// },
		// SetCookieTestCase{
		// 	cookie: &http.Cookie{name: 'cookie-11', value: 'invalid-expiry', expires: time.parse('Mon, 01 Jan 1600 01:01:01 GMT')},
		// 	raw: 'cookie-11=invalid-expiry'
		// },
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-12', value: 'samesite-default', same_site: .same_site_default_mode},
			raw: 'cookie-12=samesite-default; SameSite'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-13', value: 'samesite-lax', same_site: .same_site_lax_mode},
			raw: 'cookie-13=samesite-lax; SameSite=Lax'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-14', value: 'samesite-strict', same_site: .same_site_strict_mode},
			raw: 'cookie-14=samesite-strict; SameSite=Strict'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'cookie-15', value: 'samesite-none', same_site: .same_site_none_mode},
			raw: 'cookie-15=samesite-none; SameSite=None'
		},
		// The 'special' cookies have values containing commas or spaces which
		// are disallowed by RFC 6265 but are common in the wild.
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-1', value: 'a z'},
			raw: 'special-1=a z'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-2', value: ' z'},
			raw: 'special-2=" z"'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-3', value: 'a '},
			raw: 'special-3="a "'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-4', value: ' '},
			raw: 'special-4=" "'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-5', value: 'a,z'},
			raw: 'special-5=a,z'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-6', value: ',z'},
			raw: 'special-6=",z"'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-7', value: 'a,'},
			raw: 'special-7="a,"'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'special-8', value: ','},
			raw: 'special-8=","'
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'empty-value', value: ''},
			raw: 'empty-value='
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: ''},
			raw: ''
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: '\t'},
			raw: ''
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: '\r'},
			raw: ''
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'a\nb', value: 'v'},
			raw: ''
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'a\nb', value: 'v'},
			raw: ''
		},
		SetCookieTestCase{
			cookie: &http.Cookie{name: 'a\rb', value: 'v'},
			raw: ''
		},
	]
	add_cookies_tests = [
		AddCookieTestCase{
			cookie: [],
			raw: ""
		},
		AddCookieTestCase{
			cookie: [&http.Cookie{name: "cookie-1", value: "v1"}],
			raw: "cookie-1=v1"
		},
		AddCookieTestCase{
			cookie: [
				&http.Cookie{name: "cookie-1", value: "v1"},
				&http.Cookie{name: "cookie-2", value: "v2"},
				&http.Cookie{name: "cookie-3", value: "v3"}
			],
			raw: "cookie-1=v1; cookie-2=v2; cookie-3=v3"
		}
	]
	read_set_cookies_tests = [
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ["Cookie-1=v1"]},
			cookies: [&http.Cookie{name: "Cookie-1", value: "v1", raw: "Cookie-1=v1"}]
		},
		// ReadSetCookiesTestCase{
		// 	header: {"Set-Cookie": ["NID=99=YsDT5i3E-CXax-; expires=Wed, 23-Nov-2011 01:05:03 GMT; path=/; domain=.google.ch; HttpOnly"]},
		// 	cookies: [&http.Cookie{
		// 		name:       "NID",
		// 		value:      "99=YsDT5i3E-CXax-",
		// 		path:       "/",
		// 		domain:     ".google.ch",
		// 		http_only:   true,
		// 		expires:    time.parse_iso('Wed, 23-Nov-2011 01:05:03 GMT'),
		// 		raw_expires: "Wed, 23-Nov-2011 01:05:03 GMT",
		// 		raw:        "NID=99=YsDT5i3E-CXax-; expires=Wed, 23-Nov-2011 01:05:03 GMT; path=/; domain=.google.ch; HttpOnly"
		// 	}]
		// },
		// ReadSetCookiesTestCase{
		// 	header: {"Set-Cookie": [".ASPXAUTH=7E3AA; expires=Wed, 07-Mar-2012 14:25:06 GMT; path=/; HttpOnly"]},
		// 	cookies: [&http.Cookie{
		// 		name:       ".ASPXAUTH",
		// 		value:      "7E3AA",
		// 		path:       "/",
		// 		expires:    time.parse_iso('Wed, 07-Mar-2012 14:25:06 GMT'),
		// 		raw_expires: "Wed, 07-Mar-2012 14:25:06 GMT",
		// 		http_only:   true,
		// 		raw:        ".ASPXAUTH=7E3AA; expires=Wed, 07-Mar-2012 14:25:06 GMT; path=/; HttpOnly"
		// 	}]
		// },
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ["ASP.NET_SessionId=foo; path=/; HttpOnly"]},
			cookies: [&http.Cookie{
				name:     "ASP.NET_SessionId",
				value:    "foo",
				path:     "/",
				http_only: true,
				raw:      "ASP.NET_SessionId=foo; path=/; HttpOnly"
			}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ["samesitedefault=foo; SameSite"]},
			cookies: [&http.Cookie{
				name:     "samesitedefault",
				value:    "foo",
				same_site: .same_site_default_mode,
				raw:      "samesitedefault=foo; SameSite"
			}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ["samesitelax=foo; SameSite=Lax"]},
			cookies: [&http.Cookie{
				name:     "samesitelax",
				value:    "foo",
				same_site: .same_site_lax_mode,
				raw:      "samesitelax=foo; SameSite=Lax"
			}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ["samesitestrict=foo; SameSite=Strict"]},
			cookies: [&http.Cookie{
				name:     "samesitestrict",
				value:    "foo",
				same_site: .same_site_strict_mode,
				raw:      "samesitestrict=foo; SameSite=Strict"
			}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ["samesitenone=foo; SameSite=None"]},
			cookies: [&http.Cookie{
				name:     "samesitenone",
				value:    "foo",
				same_site: .same_site_none_mode,
				raw:      "samesitenone=foo; SameSite=None"
			}]
		},
		// Make sure we can properly read back the Set-Cookie headers we create
		// for values containing spaces or commas:
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-1=a z']},
			cookies: [&http.Cookie{name: "special-1", value: "a z", raw: 'special-1=a z'}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-2=" z"']},
			cookies: [&http.Cookie{name: "special-2", value: " z", raw: 'special-2=" z"'}]
		},

		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-3="a "']},
			cookies: [&http.Cookie{name: "special-3", value: "a ", raw: 'special-3="a "'}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-4=" "']},
			cookies: [&http.Cookie{name: "special-4", value: " ", raw: 'special-4=" "'}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-5=a,z']},
			cookies: [&http.Cookie{name: "special-5", value: "a,z", raw: 'special-5=a,z'}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-6=",z"']},
			cookies: [&http.Cookie{name: "special-6", value: ",z", raw: 'special-6=",z"'}]
		},
		ReadSetCookiesTestCase{
			header: {"Set-Cookie": ['special-7=","']},
			cookies: [&http.Cookie{name: "special-7", value: ",", raw: 'special-8=","'}]
		}
		// TODO(bradfitz): users have reported seeing this in the
		// wild, but do browsers handle it? RFC 6265 just says "don't
		// do that" (section 3) and then never mentions header folding
		// again.
		// Header{"Set-Cookie": ["ASP.NET_SessionId=foo; path=/; HttpOnly, .ASPXAUTH=7E3AA; expires=Wed, 07-Mar-2012 14:25:06 GMT; path=/; HttpOnly"]},
	]
)

fn test_write_set_cookies() {
	for _, tt in write_set_cookie_tests {
		assert tt.cookie.str() == tt.raw
	}
}

fn test_read_set_cookies() {
	for _, tt in read_set_cookies_tests {
		h := tt.header['Set-Cookie'][0]
		c := http.read_set_cookies(tt.header)
		println(h)
		println(c[0].str())
		assert c[0].str() == h
	}
}