#include "Pgsql_oids.h"
#include <stdexcept>
#include <algorithm>
#include <vector>

namespace {

/*
	SELECT
		'constexpr Oid ' || t1.typname || '_oid = ' || t1.oid::varchar || ';',
		'constexpr Oid ' || t1.typname || '_array_oid = ' || t2.oid::text || ';',
			  ' { ' || t1.oid::text || ', ' || t2.oid::text || ' },'
	FROM pg_type t1
		 JOIN pg_type t2 ON (t1.typarray=t2.oid)
	WHERE t1.typtype IN ('b', 'e', 'r') AND t1.typcategory <> 'A'
	ORDER BY t1.oid
*/

	struct ElemArray {
		Oid elem;
		Oid array;
	};

	std::vector<ElemArray> g_ElemToArray = {
		{ 16, 1000 },
		{ 17, 1001 },
		{ 18, 1002 },
		{ 19, 1003 },
		{ 20, 1016 },
		{ 21, 1005 },
		{ 23, 1007 },
		{ 24, 1008 },
		{ 25, 1009 },
		{ 26, 1028 },
		{ 27, 1010 },
		{ 28, 1011 },
		{ 29, 1012 },
		{ 114, 199 },
		{ 142, 143 },
		{ 600, 1017 },
		{ 601, 1018 },
		{ 602, 1019 },
		{ 603, 1020 },
		{ 604, 1027 },
		{ 628, 629 },
		{ 650, 651 },
		{ 700, 1021 },
		{ 701, 1022 },
		{ 702, 1023 },
		{ 703, 1024 },
		{ 704, 1025 },
		{ 718, 719 },
		{ 790, 791 },
		{ 829, 1040 },
		{ 869, 1041 },
		{ 1033, 1034 },
		{ 1042, 1014 },
		{ 1043, 1015 },
		{ 1082, 1182 },
		{ 1083, 1183 },
		{ 1114, 1115 },
		{ 1184, 1185 },
		{ 1186, 1187 },
		{ 1266, 1270 },
		{ 1560, 1561 },
		{ 1562, 1563 },
		{ 1700, 1231 },
		{ 1790, 2201 },
		{ 2202, 2207 },
		{ 2203, 2208 },
		{ 2204, 2209 },
		{ 2205, 2210 },
		{ 2206, 2211 },
		{ 2950, 2951 },
		{ 2970, 2949 },
		{ 3220, 3221 },
		{ 3614, 3643 },
		{ 3615, 3645 },
		{ 3642, 3644 },
		{ 3734, 3735 },
		{ 3769, 3770 },
		{ 3802, 3807 },
		{ 3904, 3905 },
		{ 3906, 3907 },
		{ 3908, 3909 },
		{ 3910, 3911 },
		{ 3912, 3913 },
		{ 3926, 3927 },
		{ 4089, 4090 },
		{ 4096, 4097 }
	};


	std::vector<ElemArray>  g_ArrayToElem = {
		{ 142, 143 },
		{ 114, 199 },
		{ 628, 629 },
		{ 650, 651 },
		{ 718, 719 },
		{ 790, 791 },
		{ 16, 1000 },
		{ 17, 1001 },
		{ 18, 1002 },
		{ 19, 1003 },
		{ 21, 1005 },
		{ 23, 1007 },
		{ 24, 1008 },
		{ 25, 1009 },
		{ 27, 1010 },
		{ 28, 1011 },
		{ 29, 1012 },
		{ 1042, 1014 },
		{ 1043, 1015 },
		{ 20, 1016 },
		{ 600, 1017 },
		{ 601, 1018 },
		{ 602, 1019 },
		{ 603, 1020 },
		{ 700, 1021 },
		{ 701, 1022 },
		{ 702, 1023 },
		{ 703, 1024 },
		{ 704, 1025 },
		{ 604, 1027 },
		{ 26, 1028 },
		{ 1033, 1034 },
		{ 829, 1040 },
		{ 869, 1041 },
		{ 1114, 1115 },
		{ 1082, 1182 },
		{ 1083, 1183 },
		{ 1184, 1185 },
		{ 1186, 1187 },
		{ 1700, 1231 },
		{ 1266, 1270 },
		{ 1560, 1561 },
		{ 1562, 1563 },
		{ 1790, 2201 },
		{ 2202, 2207 },
		{ 2203, 2208 },
		{ 2204, 2209 },
		{ 2205, 2210 },
		{ 2206, 2211 },
		{ 2970, 2949 },
		{ 2950, 2951 },
		{ 3220, 3221 },
		{ 3614, 3643 },
		{ 3642, 3644 },
		{ 3615, 3645 },
		{ 3734, 3735 },
		{ 3769, 3770 },
		{ 3802, 3807 },
		{ 3904, 3905 },
		{ 3906, 3907 },
		{ 3908, 3909 },
		{ 3910, 3911 },
		{ 3912, 3913 },
		{ 3926, 3927 },
		{ 4089, 4090 },
		{ 4096, 4097 }
	};

}


Oid Pgsql::ElemOidFromArrayOid(Oid oid) noexcept
{

	auto iter = std::lower_bound(g_ArrayToElem.begin(), g_ArrayToElem.end(),
		ElemArray{oid, oid},
		[] (auto l, auto r) -> bool
		{
			return l.array < r.array;
		});
	if (iter == g_ArrayToElem.end())
		return InvalidOid;
	return iter->elem;
}

Oid Pgsql::ArrayOidFromElemOid(Oid oid) noexcept
{
	auto iter = std::lower_bound(g_ElemToArray.begin(), g_ElemToArray.end(),
		ElemArray{oid, oid},
		[] (auto l, auto r) -> bool
		{
			return l.elem < r.elem;
		});
	if (iter == g_ElemToArray.end())
		return InvalidOid;
	return iter->array;
}