use crate::types::{Address, TransactionRequest as TxpoolTransaction, U256, U64};

use serde::{
    de::{self, Deserializer, Visitor},
    Deserialize, Serialize,
};
use std::{collections::BTreeMap, fmt, str::FromStr};

/// Transaction summary as found in the Txpool Inspection property.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TxpoolInspectSummary {
    /// Recipient (None when contract creation)
    pub to: Option<Address>,
    /// Transferred value
    pub value: U256,
    /// Gas amount
    pub gas: U256,
    /// Gas Price
    pub gas_price: U256,
}

/// Visitor struct for TxpoolInspectSummary.
struct TxpoolInspectSummaryVisitor;

/// Walk through the deserializer to parse a txpool inspection summary into the
/// `TxpoolInspectSummary` struct.
impl<'de> Visitor<'de> for TxpoolInspectSummaryVisitor {
    type Value = TxpoolInspectSummary;

    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
        formatter.write_str("to: value wei + gasLimit gas × gas_price wei")
    }

    fn visit_string<E>(self, value: String) -> Result<Self::Value, E>
    where
        E: de::Error,
    {
        self.visit_str(&value)
    }

    fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
    where
        E: de::Error,
    {
        let addr_split: Vec<&str> = value.split(": ").collect();
        if addr_split.len() != 2 {
            return Err(de::Error::custom("invalid format for TxpoolInspectSummary: to"))
        }
        let value_split: Vec<&str> = addr_split[1].split(" wei + ").collect();
        if value_split.len() != 2 {
            return Err(de::Error::custom("invalid format for TxpoolInspectSummary: gasLimit"))
        }
        let gas_split: Vec<&str> = value_split[1].split(" gas × ").collect();
        if gas_split.len() != 2 {
            return Err(de::Error::custom("invalid format for TxpoolInspectSummary: gas"))
        }
        let gas_price_split: Vec<&str> = gas_split[1].split(" wei").collect();
        if gas_price_split.len() != 2 {
            return Err(de::Error::custom("invalid format for TxpoolInspectSummary: gas_price"))
        }
        let addr = match addr_split[0] {
            "" => None,
            "0x" => None,
            addr => {
                Some(Address::from_str(&addr.to_string().split_off(2)).map_err(de::Error::custom)?)
            }
        };
        let value = U256::from(u64::from_str(value_split[0]).map_err(de::Error::custom)?);
        let gas = U256::from(u64::from_str(gas_split[0]).map_err(de::Error::custom)?);
        let gas_price = U256::from(u64::from_str(gas_price_split[0]).map_err(de::Error::custom)?);

        Ok(TxpoolInspectSummary { to: addr, value, gas, gas_price })
    }
}

/// Implement the `Deserialize` trait for `TxpoolInspectSummary` struct.
impl<'de> Deserialize<'de> for TxpoolInspectSummary {
    fn deserialize<D>(deserializer: D) -> Result<TxpoolInspectSummary, D::Error>
    where
        D: Deserializer<'de>,
    {
        deserializer.deserialize_str(TxpoolInspectSummaryVisitor)
    }
}

/// Implement the `Serialize` trait for `TxpoolInspectSummary` struct so that the
/// format matches the one from geth.
impl Serialize for TxpoolInspectSummary {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        let formatted = format!(
            "{:?}: {} wei + {} gas × {} wei",
            self.to.unwrap_or_default(),
            self.value,
            self.gas,
            self.gas_price
        );
        serializer.serialize_str(&formatted)
    }
}

/// Transaction Pool Content
///
/// The content inspection property can be queried to list the exact details of all
/// the transactions currently pending for inclusion in the next block(s), as well
/// as the ones that are being scheduled for future execution only.
///
/// See [here](https://geth.ethereum.org/docs/rpc/ns-txpool#txpool_content) for more details
#[derive(Debug, Default, Clone, PartialEq, Eq, Deserialize, Serialize)]
pub struct TxpoolContent {
    /// pending tx
    pub pending: BTreeMap<Address, BTreeMap<String, TxpoolTransaction>>,
    /// queued tx
    pub queued: BTreeMap<Address, BTreeMap<String, TxpoolTransaction>>,
}

/// Transaction Pool Inspect
///
/// The inspect inspection property can be queried to list a textual summary
/// of all the transactions currently pending for inclusion in the next block(s),
/// as well as the ones that are being scheduled for future execution only.
/// This is a method specifically tailored to developers to quickly see the
/// transactions in the pool and find any potential issues.
///
/// See [here](https://geth.ethereum.org/docs/rpc/ns-txpool#txpool_inspect) for more details
#[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct TxpoolInspect {
    /// pending tx
    pub pending: BTreeMap<Address, BTreeMap<String, TxpoolInspectSummary>>,
    /// queued tx
    pub queued: BTreeMap<Address, BTreeMap<String, TxpoolInspectSummary>>,
}

/// Transaction Pool Status
///
/// The status inspection property can be queried for the number of transactions
/// currently pending for inclusion in the next block(s), as well as the ones that
/// are being scheduled for future execution only.
///
/// See [here](https://geth.ethereum.org/docs/rpc/ns-txpool#txpool_status) for more details
#[derive(Debug, Default, Clone, PartialEq, Eq, Deserialize, Serialize)]
pub struct TxpoolStatus {
    /// number of pending tx
    pub pending: U64,
    /// number of queued tx
    pub queued: U64,
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn serde_txpool_content() {
        let txpool_content_json = r#"
{
  "pending": {
    "0x0513dc7403e074f5c77368ee2819fa3a65b5cf80": {
      "6712": {
        "hash": "0xc463c2dcab885136f76d093357f62b0541d1bfa4e96f27f413a7191cc625e105",
        "nonce": "0x1a38",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x0513dc7403e074f5c77368ee2819fa3a65b5cf80",
        "to": "0x0b9ab0cce5238c24ea25ee3d921865da818ccf5e",
        "value": "0x1",
        "gasPrice": "0x2cb417800",
        "gas": "0x186a0",
        "input": "0x"
      }
    },
    "0x07e80128c7a35d0d43ddcc67fa8b1495871e08bf": {
      "41588": {
        "hash": "0x73057ec83d040f5d3be8afae35b447d7996472b5dedf2e727c8f4a2e1bedca14",
        "nonce": "0xa274",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x07e80128c7a35d0d43ddcc67fa8b1495871e08bf",
        "to": null,
        "value": "0x0",
        "gasPrice": "0xee6b2800",
        "gas": "0xc074c",
        "input": "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      },
      "41589": {
        "hash": "0xc67949dfcf2e5cbb054f0711d5dbf1789801303773c85b7d0b3a8108832b99b0",
        "nonce": "0xa275",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x07e80128c7a35d0d43ddcc67fa8b1495871e08bf",
        "to": null,
        "value": "0x0",
        "gasPrice": "0xee6b2800",
        "gas": "0xc074c",
        "input": "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      },
      "41590": {
        "hash": "0x87f1eca993dd77d4fcf34aaa078f555dde68d478c7fcc75afefbc06553bde807",
        "nonce": "0xa276",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x07e80128c7a35d0d43ddcc67fa8b1495871e08bf",
        "to": null,
        "value": "0x0",
        "gasPrice": "0xee6b2800",
        "gas": "0xc074c",
        "input": "0x608060405234801561001057600080fd5b50604051610d54380380610d548339818101604052602081101561003357600080fd5b8101908080519060200190929190505050336000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff16021790555080600260006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff16021790555050610c7f806100d56000396000f3fe6080604052600436106100705760003560e01c80638feb1b8b1161004e5780638feb1b8b146101fd578063d4ee1d901461024e578063e45bf7a6146102a5578063f2fde38b146102fc57610070565b806359a006801461013e57806379ba50971461018f5780638da5cb5b146101a6575b600260009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166108fc349081150290604051600060405180830381858888f193505050501580156100d8573d6000803e3d6000fd5b507f0fe4cb1d003e6b2859d9f82ed185534d04565d376652186cbd07c0105fdcc5d830604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390a1005b34801561014a57600080fd5b5061018d6004803603602081101561016157600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919050505061034d565b005b34801561019b57600080fd5b506101a4610664565b005b3480156101b257600080fd5b506101bb610801565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b34801561020957600080fd5b5061024c6004803603602081101561022057600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610826565b005b34801561025a57600080fd5b50610263610b61565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b3480156102b157600080fd5b506102ba610b87565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b34801561030857600080fd5b5061034b6004803603602081101561031f57600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610bad565b005b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16146103a657600080fd5b600081905060008173ffffffffffffffffffffffffffffffffffffffff166370a08231306040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b15801561042a57600080fd5b505afa15801561043e573d6000803e3d6000fd5b505050506040513d602081101561045457600080fd5b81019080805190602001909291905050509050600081116104dd576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252601e8152602001807f62616c616e6365206d7573742062652067726561746572207468616e2030000081525060200191505060405180910390fd5b8173ffffffffffffffffffffffffffffffffffffffff1663a9059cbb600260009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16836040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050600060405180830381600087803b15801561058657600080fd5b505af115801561059a573d6000803e3d6000fd5b505050507f8664be48506bd501d568d732361f45a27336ed6ea23c69c994d33e971ff7f40130600260009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1683604051808473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020018373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001828152602001935050505060405180910390a1505050565b600160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16146106be57600080fd5b600160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a3600160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff166000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506000600160006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff161461087f57600080fd5b600081905060008173ffffffffffffffffffffffffffffffffffffffff166370a08231306040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b15801561090357600080fd5b505afa158015610917573d6000803e3d6000fd5b505050506040513d602081101561092d57600080fd5b81019080805190602001909291905050509050600081116109b6576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252601e8152602001807f62616c616e6365206d7573742062652067726561746572207468616e2030000081525060200191505060405180910390fd5b8173ffffffffffffffffffffffffffffffffffffffff1663a9059cbb600260009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16836040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050602060405180830381600087803b158015610a5f57600080fd5b505af1158015610a73573d6000803e3d6000fd5b505050506040513d6020811015610a8957600080fd5b8101908080519060200190929190505050507f8664be48506bd501d568d732361f45a27336ed6ea23c69c994d33e971ff7f40130600260009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1683604051808473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020018373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001828152602001935050505060405180910390a1505050565b600160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b600260009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614610c0657600080fd5b80600160006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055505056fea265627a7a7231582001543b5939e998cc829c177eb8dd2927268ba9f47e41ce006f6276379d324b6f64736f6c634300050c0032000000000000000000000000e8bb7d0000e0b8f7114863d7fee666b5270111b8"
      }
    }
  },
  "queued": {
    "0x0f87ffcd71859233eb259f42b236c8e9873444e3": {
      "7": {
        "hash": "0x5c2cc0e17ea6c48489fddd2a64975791e0d4a7cc0ae4a81613682fd134be1baa",
        "nonce": "0x7",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x0f87ffcd71859233eb259f42b236c8e9873444e3",
        "to": "0x3479be69e07e838d9738a301bb0c89e8ea2bef4a",
        "value": "0x38d7ea4c68000",
        "gasPrice": "0x2540be400",
        "gas": "0x5208",
        "input": "0x"
      },
      "8": {
        "hash": "0x8755fadda87e9fd2e66c0bfa542baa9f552cddda334f673e272f3aa686efb5e4",
        "nonce": "0x8",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x0f87ffcd71859233eb259f42b236c8e9873444e3",
        "to": "0x73aaf691bc33fe38f86260338ef88f9897ecaa4f",
        "value": "0x38d7ea4c68000",
        "gasPrice": "0x2540be400",
        "gas": "0x5208",
        "input": "0x"
      }
    },
    "0x307e8f249bcccfa5b245449256c5d7e6e079943e": {
      "3": {
        "hash": "0x54ea4d4905bf74b687ccc73e8a1fb9615357e5e82d3f716e7ab10cd8460a3221",
        "nonce": "0x3",
        "blockHash": null,
        "blockNumber": null,
        "transactionIndex": null,
        "from": "0x307e8f249bcccfa5b245449256c5d7e6e079943e",
        "to": "0x73aaf691bc33fe38f86260338ef88f9897ecaa4f",
        "value": "0x2386f26fc10000",
        "gasPrice": "0x2540be400",
        "gas": "0x5208",
        "input": "0x"
      }
    }
  }
}"#;
        let deserialized: TxpoolContent = serde_json::from_str(txpool_content_json).unwrap();
        let serialized: String = serde_json::to_string(&deserialized).unwrap();
        assert_eq!(deserialized, serde_json::from_str::<TxpoolContent>(&serialized).unwrap());
    }

    #[test]
    fn serde_txpool_inspect() {
        let txpool_inspect_json = r#"
{
  "pending": {
    "0x0512261a7486b1e29704ac49a5eb355b6fd86872": {
      "124930": "0x000000000000000000000000000000000000007E: 0 wei + 100187 gas × 20000000000 wei"
    },
    "0x201354729f8d0f8b64e9a0c353c672c6a66b3857": {
      "252350": "0xd10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF: 0 wei + 65792 gas × 2000000000 wei",
      "252351": "0xd10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF: 0 wei + 65792 gas × 2000000000 wei",
      "252352": "0xd10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF: 0 wei + 65780 gas × 2000000000 wei",
      "252353": "0xd10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF: 0 wei + 65780 gas × 2000000000 wei"
    }
  },
  "queued": {
    "0x0f87ffcd71859233eb259f42b236c8e9873444e3": {
      "7": "0x3479BE69e07E838D9738a301Bb0c89e8EA2Bef4a: 1000000000000000 wei + 21000 gas × 10000000000 wei",
      "8": "0x73Aaf691bc33fe38f86260338EF88f9897eCaa4F: 1000000000000000 wei + 21000 gas × 10000000000 wei"
    },
    "0x307e8f249bcccfa5b245449256c5d7e6e079943e": {
      "3": "0x73Aaf691bc33fe38f86260338EF88f9897eCaa4F: 10000000000000000 wei + 21000 gas × 10000000000 wei"
    }
  }
}"#;
        let deserialized: TxpoolInspect = serde_json::from_str(txpool_inspect_json).unwrap();
        assert_eq!(deserialized, expected_txpool_inspect());

        let serialized = serde_json::to_string(&deserialized).unwrap();
        let deserialized2: TxpoolInspect = serde_json::from_str(&serialized).unwrap();
        assert_eq!(deserialized2, deserialized);
    }

    #[test]
    fn serde_txpool_status() {
        let txpool_status_json = r#"
{
  "pending": "0x23",
  "queued": "0x20"
}"#;
        let deserialized: TxpoolStatus = serde_json::from_str(txpool_status_json).unwrap();
        let serialized: String = serde_json::to_string_pretty(&deserialized).unwrap();
        assert_eq!(txpool_status_json.trim(), serialized);
    }

    fn expected_txpool_inspect() -> TxpoolInspect {
        let mut pending_map = BTreeMap::new();
        let mut pending_map_inner = BTreeMap::new();
        pending_map_inner.insert(
            "124930".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("000000000000000000000000000000000000007E").unwrap()),
                value: U256::from(0u64),
                gas: U256::from(100187u64),
                gas_price: U256::from(20000000000u64),
            },
        );
        pending_map.insert(
            Address::from_str("0512261a7486b1e29704ac49a5eb355b6fd86872").unwrap(),
            pending_map_inner.clone(),
        );
        pending_map_inner.clear();
        pending_map_inner.insert(
            "252350".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("d10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF").unwrap()),
                value: U256::from(0u64),
                gas: U256::from(65792u64),
                gas_price: U256::from(2000000000u64),
            },
        );
        pending_map_inner.insert(
            "252351".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("d10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF").unwrap()),
                value: U256::from(0u64),
                gas: U256::from(65792u64),
                gas_price: U256::from(2000000000u64),
            },
        );
        pending_map_inner.insert(
            "252352".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("d10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF").unwrap()),
                value: U256::from(0u64),
                gas: U256::from(65780u64),
                gas_price: U256::from(2000000000u64),
            },
        );
        pending_map_inner.insert(
            "252353".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("d10e3Be2bc8f959Bc8C41CF65F60dE721cF89ADF").unwrap()),
                value: U256::from(0u64),
                gas: U256::from(65780u64),
                gas_price: U256::from(2000000000u64),
            },
        );
        pending_map.insert(
            Address::from_str("201354729f8d0f8b64e9a0c353c672c6a66b3857").unwrap(),
            pending_map_inner,
        );
        let mut queued_map = BTreeMap::new();
        let mut queued_map_inner = BTreeMap::new();
        queued_map_inner.insert(
            "7".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("3479BE69e07E838D9738a301Bb0c89e8EA2Bef4a").unwrap()),
                value: U256::from(1000000000000000u64),
                gas: U256::from(21000u64),
                gas_price: U256::from(10000000000u64),
            },
        );
        queued_map_inner.insert(
            "8".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("73Aaf691bc33fe38f86260338EF88f9897eCaa4F").unwrap()),
                value: U256::from(1000000000000000u64),
                gas: U256::from(21000u64),
                gas_price: U256::from(10000000000u64),
            },
        );
        queued_map.insert(
            Address::from_str("0f87ffcd71859233eb259f42b236c8e9873444e3").unwrap(),
            queued_map_inner.clone(),
        );
        queued_map_inner.clear();
        queued_map_inner.insert(
            "3".to_string(),
            TxpoolInspectSummary {
                to: Some(Address::from_str("73Aaf691bc33fe38f86260338EF88f9897eCaa4F").unwrap()),
                value: U256::from(10000000000000000u64),
                gas: U256::from(21000u64),
                gas_price: U256::from(10000000000u64),
            },
        );
        queued_map.insert(
            Address::from_str("307e8f249bcccfa5b245449256c5d7e6e079943e").unwrap(),
            queued_map_inner,
        );

        TxpoolInspect { pending: pending_map, queued: queued_map }
    }
}