package historydb

import (
	"math/big"
	"time"

	ethCommon "github.com/ethereum/go-ethereum/common"
	"github.com/hermeznetwork/hermez-node/common"
	"github.com/iden3/go-iden3-crypto/babyjub"
)

// HistoryTx is a representation of a generic Tx with additional information
// required by the API, and extracted by joining block and token tables
type HistoryTx struct {
	// Generic
	IsL1        bool             `meddler:"is_l1"`
	TxID        common.TxID      `meddler:"id"`
	Type        common.TxType    `meddler:"type"`
	Position    int              `meddler:"position"`
	FromIdx     *common.Idx      `meddler:"from_idx"`
	ToIdx       common.Idx       `meddler:"to_idx"`
	Amount      *big.Int         `meddler:"amount,bigint"`
	HistoricUSD *float64         `meddler:"amount_usd"`
	BatchNum    *common.BatchNum `meddler:"batch_num"`     // batchNum in which this tx was forged. If the tx is L2, this must be != 0
	EthBlockNum int64            `meddler:"eth_block_num"` // Ethereum Block Number in which this L1Tx was added to the queue
	// L1
	ToForgeL1TxsNum *int64             `meddler:"to_forge_l1_txs_num"` // toForgeL1TxsNum in which the tx was forged / will be forged
	UserOrigin      *bool              `meddler:"user_origin"`         // true if the tx was originated by a user, false if it was aoriginated by a coordinator. Note that this differ from the spec for implementation simplification purpposes
	FromEthAddr     *ethCommon.Address `meddler:"from_eth_addr"`
	FromBJJ         *babyjub.PublicKey `meddler:"from_bjj"`
	LoadAmount      *big.Int           `meddler:"load_amount,bigintnull"`
	// LoadAmountFloat       *float64           `meddler:"load_amount_f"`
	HistoricLoadAmountUSD *float64 `meddler:"load_amount_usd"`
	// L2
	Fee            *common.FeeSelector `meddler:"fee"`
	HistoricFeeUSD *float64            `meddler:"fee_usd"`
	Nonce          *common.Nonce       `meddler:"nonce"`
	// API extras
	Timestamp        time.Time         `meddler:"timestamp,utctime"`
	TotalItems       int               `meddler:"total_items"`
	TokenID          common.TokenID    `meddler:"token_id"`
	TokenEthBlockNum int64             `meddler:"token_block"`
	TokenEthAddr     ethCommon.Address `meddler:"eth_addr"`
	TokenName        string            `meddler:"name"`
	TokenSymbol      string            `meddler:"symbol"`
	TokenDecimals    uint64            `meddler:"decimals"`
	TokenUSD         *float64          `meddler:"usd"`
	TokenUSDUpdate   *time.Time        `meddler:"usd_update"`
}

// txWrite is an representatiion that merges common.L1Tx and common.L2Tx
// in order to perform inserts into tx table
type txWrite struct {
	// Generic
	IsL1        bool             `meddler:"is_l1"`
	TxID        common.TxID      `meddler:"id"`
	Type        common.TxType    `meddler:"type"`
	Position    int              `meddler:"position"`
	FromIdx     *common.Idx      `meddler:"from_idx"`
	ToIdx       common.Idx       `meddler:"to_idx"`
	Amount      *big.Int         `meddler:"amount,bigint"`
	AmountFloat float64          `meddler:"amount_f"`
	TokenID     common.TokenID   `meddler:"token_id"`
	BatchNum    *common.BatchNum `meddler:"batch_num"`     // batchNum in which this tx was forged. If the tx is L2, this must be != 0
	EthBlockNum int64            `meddler:"eth_block_num"` // Ethereum Block Number in which this L1Tx was added to the queue
	// L1
	ToForgeL1TxsNum *int64             `meddler:"to_forge_l1_txs_num"` // toForgeL1TxsNum in which the tx was forged / will be forged
	UserOrigin      *bool              `meddler:"user_origin"`         // true if the tx was originated by a user, false if it was aoriginated by a coordinator. Note that this differ from the spec for implementation simplification purpposes
	FromEthAddr     *ethCommon.Address `meddler:"from_eth_addr"`
	FromBJJ         *babyjub.PublicKey `meddler:"from_bjj"`
	LoadAmount      *big.Int           `meddler:"load_amount,bigintnull"`
	LoadAmountFloat *float64           `meddler:"load_amount_f"`
	// L2
	Fee   *common.FeeSelector `meddler:"fee"`
	Nonce *common.Nonce       `meddler:"nonce"`
}

// TokenRead add USD info to common.Token
type TokenRead struct {
	TokenID     common.TokenID    `json:"id" meddler:"token_id"`
	EthBlockNum int64             `json:"ethereumBlockNum" meddler:"eth_block_num"` // Ethereum block number in which this token was registered
	EthAddr     ethCommon.Address `json:"ethereumAddress" meddler:"eth_addr"`
	Name        string            `json:"name" meddler:"name"`
	Symbol      string            `json:"symbol" meddler:"symbol"`
	Decimals    uint64            `json:"decimals" meddler:"decimals"`
	USD         *float64          `json:"USD" meddler:"usd"`
	USDUpdate   *time.Time        `json:"fiatUpdate" meddler:"usd_update,utctime"`
}