// Hierarchical species tree based on Dragon Code V2.6 specification
const SPECIES_DATA = {
    // Dragons (D)
    D: {
        name: "Dragon",
        subtypes: {
            w: "Western Dragon",
            e: "Eastern Dragon",
            p: "Pernese Dragon",
            f: "Faerie Dragon",
            r: "Reformed Dragon",
            c: "Chromatic Dragon",
            m: "Metallic Dragon",
            g: "Gem Dragon"
        }
    },

    // Humanoid (H)
    H: {
        name: "Human",
        subtypes: {}
    },

    // Avian (A)
    A: {
        name: "Avian",
        subtypes: {
            c: "Cockatrice",
            g: "Griffin",
            h: "Hippogriff",
            p: "Phoenix",
            r: "Roc"
        }
    },

    // Bovine (B)
    B: {
        name: "Bovine",
        subtypes: {
            c: "Cattle",
            m: "Minotaur"
        }
    },

    // Canine (C)
    C: {
        name: "Canine",
        subtypes: {
            c: "Coyote",
            d: "Dog",
            f: "Fox",
            j: "Jackal",
            w: "Wolf"
        }
    },

    // Serpent (S)
    S: {
        name: "Serpent",
        subtypes: {
            b: "Basilisk",
            h: "Hydra",
            n: "Naga",
            s: "Sea Serpent"
        }
    },

    // Equine (E)
    E: {
        name: "Equine",
        subtypes: {
            c: "Centaur",
            h: "Horse",
            p: "Pegasus",
            u: "Unicorn",
            z: "Zebra"
        }
    },

    // Feline (F)
    F: {
        name: "Feline",
        subtypes: {
            c: "Cat",
            h: "Cheetah",
            j: "Jaguar",
            l: "Lion",
            o: "Ocelot",
            p: "Panther",
            t: "Tiger",
            x: "Lynx"
        }
    },

    // Insectoid (I)
    I: {
        name: "Insectoid",
        subtypes: {}
    },

    // Leporine (L)
    L: {
        name: "Leporine",
        subtypes: {
            h: "Hare",
            r: "Rabbit"
        }
    },

    // Mammal (M)
    M: {
        name: "Mammal",
        subtypes: {
            a: {
                name: "Aquatic",
                subtypes: {
                    d: "Dolphin",
                    o: "Orca",
                    p: "Porpoise",
                    s: "Seal",
                    w: "Walrus",
                    h: "Whale"
                }
            },
            b: "Badger",
            e: "Elephant",
            f: {
                name: "Feral",
                subtypes: {
                    p: {
                        name: "Pantherine",
                        subtypes: {
                            c: "Cougar",
                            j: "Jaguar",
                            l: "Leopard",
                            n: "Panther",
                            s: "Snow Leopard",
                            t: "Tiger"
                        }
                    }
                }
            },
            k: "Skunk",
            m: "Mink",
            o: "Otter",
            r: "Rodent",
            t: "Taur",
            w: "Weasel"
        }
    },

    // Otter (O)
    O: {
        name: "Otter",
        subtypes: {}
    },

    // Mythological (Y)
    Y: {
        name: "Mythological",
        subtypes: {
            c: "Chimera",
            g: "Gargoyle",
            m: "Manticore",
            s: "Sphinx"
        }
    },

    // Porcine (P)
    P: {
        name: "Porcine",
        subtypes: {
            b: "Boar",
            p: "Pig"
        }
    },

    // Reptile (R)
    R: {
        name: "Reptile",
        subtypes: {
            a: "Alligator",
            c: "Crocodile",
            d: "Dinosaur",
            l: "Lizard",
            t: "Turtle"
        }
    },

    // Aquatic (Q)
    Q: {
        name: "Aquatic",
        subtypes: {
            d: "Dolphin",
            f: "Fish",
            m: "Mermaid/Merman",
            o: "Orca",
            s: "Shark"
        }
    },

    // Ursine (U)
    U: {
        name: "Ursine",
        subtypes: {
            b: "Bear",
            g: "Grizzly",
            p: "Panda",
            l: "Polar Bear"
        }
    }
};

// Function to resolve a species code to its full name
function resolveSpeciesCode(code) {
    if (!code || code.length === 0) return null;

    const parts = code.split('');
    let current = SPECIES_DATA;
    let path = [];

    for (let i = 0; i < parts.length; i++) {
        const char = parts[i];

        if (!current[char]) {
            // If we can't find the next level, return what we have
            break;
        }

        current = current[char];

        if (typeof current === 'string') {
            // We've reached a leaf node (species name)
            return current;
        } else if (current.name) {
            // We're at a node with a name, but there might be subtypes
            path.push(current.name);
            if (current.subtypes) {
                current = current.subtypes;
            } else {
                // No more subtypes, return the name
                return current.name;
            }
        }
    }

    // Return the accumulated path or the name if we have it
    return path.length > 0 ? path[path.length - 1] : null;
}

// Export for Node.js (CommonJS)
if (typeof module !== 'undefined' && module.exports) {
    module.exports = { SPECIES_DATA, resolveSpeciesCode };
}