#ifndef PRJXRAY_LIB_XILINX_XCUSERIES_PART_H_
#define PRJXRAY_LIB_XILINX_XCUSERIES_PART_H_

#include <algorithm>
#include <cstdint>
#include <memory>
#include <string>
#include <vector>

#include <absl/types/optional.h>
#include <prjxray/xilinx/xcuseries/configuration_row.h>
#include <prjxray/xilinx/xcuseries/frame_address.h>
#include <yaml-cpp/yaml.h>

namespace prjxray {
namespace xilinx {
namespace xcuseries {

class Part {
       public:
	constexpr static uint32_t kInvalidIdcode = 0;

	static absl::optional<Part> FromFile(const std::string& path);

	// Constructs an invalid part with a zero IDCODE. Required for YAML
	// conversion but shouldn't be used otherwise.
	Part() : idcode_(kInvalidIdcode) {}

	template <typename T>
	Part(uint32_t idcode, T collection)
	    : Part(idcode, std::begin(collection), std::end(collection)) {}

	template <typename T>
	Part(uint32_t idcode, T first, T last);

	uint32_t idcode() const { return idcode_; }

	bool IsValidFrameAddress(FrameAddress address) const;

	absl::optional<FrameAddress> GetNextFrameAddress(
	    FrameAddress address) const;

       private:
	friend struct YAML::convert<Part>;

	uint32_t idcode_;
	std::map<unsigned int, Row> rows_;
};

template <typename T>
Part::Part(uint32_t idcode, T first, T last) : idcode_(idcode) {
	std::sort(first, last,
	          [](const FrameAddress& lhs, const FrameAddress& rhs) {
		          return lhs.row() < rhs.row();
	          });

	for (auto row_first = first; row_first != last;) {
		auto row_last = std::upper_bound(
		    row_first, last, row_first->row(),
		    [](const uint8_t& lhs, const FrameAddress& rhs) {
			    return lhs < rhs.row();
		    });

		rows_.emplace(row_first->row(),
		              std::move(Row(row_first, row_last)));
		row_first = row_last;
	}
}

}  // namespace xcuseries
}  // namespace xilinx
}  // namespace prjxray

namespace YAML {
template <>
struct convert<prjxray::xilinx::xcuseries::Part> {
	static Node encode(const prjxray::xilinx::xcuseries::Part& rhs);
	static bool decode(const Node& node,
	                   prjxray::xilinx::xcuseries::Part& lhs);
};
}  // namespace YAML

#endif  // PRJXRAY_LIB_XILINX_XCUSERIES_PART_H_