feox-server 0.7.0

use crate::protocol::resp::RespValue;
use bytes::Bytes;

/// Command metadata definition
pub struct CommandDef {
    pub name: &'static str,
    pub arity: i64,
    pub flags: &'static [&'static str],
    pub first_key: i64,
    pub last_key: i64,
    pub step: i64,
    pub acl_categories: &'static [&'static str],
}

impl CommandDef {
    /// Convert command definition to RESP array format (Redis 7.0+ format with 10 elements)
    pub fn to_resp_array(&self) -> Vec<RespValue> {
        vec![
            RespValue::BulkString(Some(Bytes::from(self.name))),
            RespValue::Integer(self.arity),
            RespValue::Array(Some(
                self.flags
                    .iter()
                    .map(|&f| RespValue::BulkString(Some(Bytes::from(f))))
                    .collect(),
            )),
            RespValue::Integer(self.first_key),
            RespValue::Integer(self.last_key),
            RespValue::Integer(self.step),
            RespValue::Array(Some(
                self.acl_categories
                    .iter()
                    .map(|&cat| RespValue::BulkString(Some(Bytes::from(cat))))
                    .collect(),
            )),
            RespValue::Array(Some(vec![])),
            RespValue::Array(Some(vec![])),
            RespValue::Array(Some(vec![])),
        ]
    }

    /// Find command by name (case-insensitive)
    pub fn find(name: &str) -> Option<&'static CommandDef> {
        COMMAND_TABLE
            .iter()
            .find(|cmd| cmd.name.eq_ignore_ascii_case(name))
    }
}

/// Centralized command metadata table
/// This is the single source of truth for all command metadata
pub static COMMAND_TABLE: &[CommandDef] = &[
    // Basic commands
    CommandDef {
        name: "get",
        arity: 2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@string", "@fast"],
    },
    CommandDef {
        name: "set",
        arity: -3,
        flags: &["write", "denyoom"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@string", "@slow"],
    },
    CommandDef {
        name: "del",
        arity: -2,
        flags: &["write"],
        first_key: 1,
        last_key: -1,
        step: 1,
        acl_categories: &["@keyspace", "@write", "@slow"],
    },
    CommandDef {
        name: "exists",
        arity: -2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: -1,
        step: 1,
        acl_categories: &["@keyspace", "@read", "@fast"],
    },
    // Atomic operations
    CommandDef {
        name: "incr",
        arity: 2,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@string", "@fast"],
    },
    CommandDef {
        name: "incrby",
        arity: 3,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@string", "@fast"],
    },
    CommandDef {
        name: "decr",
        arity: 2,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@string", "@fast"],
    },
    CommandDef {
        name: "decrby",
        arity: 3,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@string", "@fast"],
    },
    // TTL commands
    CommandDef {
        name: "expire",
        arity: 3,
        flags: &["write", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@keyspace", "@write", "@fast"],
    },
    CommandDef {
        name: "pexpire",
        arity: 3,
        flags: &["write", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@keyspace", "@write", "@fast"],
    },
    CommandDef {
        name: "ttl",
        arity: 2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@keyspace", "@read", "@fast"],
    },
    CommandDef {
        name: "pttl",
        arity: 2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@keyspace", "@read", "@fast"],
    },
    CommandDef {
        name: "persist",
        arity: 2,
        flags: &["write", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@keyspace", "@write", "@fast"],
    },
    // Bulk operations
    CommandDef {
        name: "mget",
        arity: -2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: -1,
        step: 1,
        acl_categories: &["@read", "@string", "@fast"],
    },
    CommandDef {
        name: "mset",
        arity: -3,
        flags: &["write", "denyoom"],
        first_key: 1,
        last_key: -1,
        step: 2,
        acl_categories: &["@write", "@string", "@slow"],
    },
    // Server commands
    CommandDef {
        name: "ping",
        arity: -1,
        flags: &["fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@connection"],
    },
    CommandDef {
        name: "echo",
        arity: 2,
        flags: &["fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@connection"],
    },
    CommandDef {
        name: "info",
        arity: -1,
        flags: &["loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@slow", "@dangerous"],
    },
    CommandDef {
        name: "config",
        arity: -2,
        flags: &["admin", "noscript", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@admin", "@slow", "@dangerous"],
    },
    CommandDef {
        name: "command",
        arity: -1,
        flags: &["loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@slow", "@connection"],
    },
    CommandDef {
        name: "quit",
        arity: 1,
        flags: &["noscript", "loading", "stale", "fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@connection"],
    },
    CommandDef {
        name: "flushdb",
        arity: -1,
        flags: &["write"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@keyspace", "@write", "@slow", "@dangerous"],
    },
    CommandDef {
        name: "keys",
        arity: 2,
        flags: &["readonly"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@keyspace", "@read", "@slow", "@dangerous"],
    },
    CommandDef {
        name: "scan",
        arity: -2,
        flags: &["readonly"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@keyspace", "@read", "@slow"],
    },
    // List commands
    CommandDef {
        name: "lpush",
        arity: -3,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@list", "@fast"],
    },
    CommandDef {
        name: "rpush",
        arity: -3,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@list", "@fast"],
    },
    CommandDef {
        name: "lpop",
        arity: -2,
        flags: &["write", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@list", "@fast"],
    },
    CommandDef {
        name: "rpop",
        arity: -2,
        flags: &["write", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@list", "@fast"],
    },
    CommandDef {
        name: "llen",
        arity: 2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@list", "@fast"],
    },
    CommandDef {
        name: "lrange",
        arity: 4,
        flags: &["readonly"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@list", "@slow"],
    },
    CommandDef {
        name: "lindex",
        arity: 3,
        flags: &["readonly"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@list", "@slow"],
    },
    // Hash commands
    CommandDef {
        name: "hset",
        arity: -4,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@hash", "@fast"],
    },
    CommandDef {
        name: "hget",
        arity: 3,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@fast"],
    },
    CommandDef {
        name: "hmget",
        arity: -3,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@fast"],
    },
    CommandDef {
        name: "hdel",
        arity: -3,
        flags: &["write", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@hash", "@fast"],
    },
    CommandDef {
        name: "hexists",
        arity: 3,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@fast"],
    },
    CommandDef {
        name: "hgetall",
        arity: 2,
        flags: &["readonly"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@slow"],
    },
    CommandDef {
        name: "hlen",
        arity: 2,
        flags: &["readonly", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@fast"],
    },
    CommandDef {
        name: "hkeys",
        arity: 2,
        flags: &["readonly"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@slow"],
    },
    CommandDef {
        name: "hvals",
        arity: 2,
        flags: &["readonly"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@read", "@hash", "@slow"],
    },
    CommandDef {
        name: "hincrby",
        arity: 4,
        flags: &["write", "denyoom", "fast"],
        first_key: 1,
        last_key: 1,
        step: 1,
        acl_categories: &["@write", "@hash", "@fast"],
    },
    // Authentication
    CommandDef {
        name: "auth",
        arity: 2,
        flags: &["noscript", "loading", "stale", "fast", "no_auth"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@connection"],
    },
    // Pub/Sub commands
    CommandDef {
        name: "subscribe",
        arity: -2,
        flags: &["pubsub", "noscript", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@pubsub", "@slow"],
    },
    CommandDef {
        name: "unsubscribe",
        arity: -1,
        flags: &["pubsub", "noscript", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@pubsub", "@slow"],
    },
    CommandDef {
        name: "psubscribe",
        arity: -2,
        flags: &["pubsub", "noscript", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@pubsub", "@slow"],
    },
    CommandDef {
        name: "punsubscribe",
        arity: -1,
        flags: &["pubsub", "noscript", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@pubsub", "@slow"],
    },
    CommandDef {
        name: "publish",
        arity: 3,
        flags: &["pubsub", "loading", "stale", "fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@pubsub", "@fast"],
    },
    CommandDef {
        name: "pubsub",
        arity: -2,
        flags: &["pubsub", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@pubsub", "@slow"],
    },
    // Client management
    CommandDef {
        name: "client",
        arity: -2,
        flags: &["admin", "noscript", "loading", "stale"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@admin", "@slow", "@connection"],
    },
    // Transaction commands
    CommandDef {
        name: "multi",
        arity: 1,
        flags: &["noscript", "loading", "stale", "fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@transaction"],
    },
    CommandDef {
        name: "exec",
        arity: 1,
        flags: &["noscript", "loading", "stale", "slow"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@slow", "@transaction"],
    },
    CommandDef {
        name: "discard",
        arity: 1,
        flags: &["noscript", "loading", "stale", "fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@transaction"],
    },
    CommandDef {
        name: "watch",
        arity: -2,
        flags: &["noscript", "loading", "stale", "fast"],
        first_key: 1,
        last_key: -1,
        step: 1,
        acl_categories: &["@fast", "@transaction"],
    },
    CommandDef {
        name: "unwatch",
        arity: 1,
        flags: &["noscript", "loading", "stale", "fast"],
        first_key: 0,
        last_key: 0,
        step: 0,
        acl_categories: &["@fast", "@transaction"],
    },
];