{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "SimPHash Config",
  "description": "Config file consumed by SimPHash (see Src/Template/README.md for full parameter docs).",
  "type": "object",
  "properties": {
    "max_attepms": {
      "type": "integer",
      "minimum": 1,
      "description": "Maximum displacement attempts (seed values 0, 1, 2, ...) tried per bucket before giving up."
    },
    "namespace": {
      "type": ["string", "null"],
      "description": "Namespace the generated tables/function are wrapped in. Leave empty or null to skip."
    },
    "file_name_out": {
      "type": "string",
      "description": "Path of the .mqh file to generate."
    },
    "table_prefix": {
      "type": "string",
      "description": "Prefix used for all generated table names (<prefix>_seeds, <prefix>_hashes, <prefix>_values/<prefix>_tindex)."
    },
    "copyright": {
      "type": "string",
      "description": "Text written into the generated file's #property copyright."
    },
    "link": {
      "type": "string",
      "description": "Text written into the generated file's #property link."
    },
    "func_name": {
      "type": "string",
      "description": "Name of the generated lookup function."
    },
    "def_name_table_size": {
      "type": "string",
      "description": "Name of the #define for the final table size."
    },
    "def_bucket_size_name": {
      "type": "string",
      "description": "Name of the #define for the bucket count."
    },
    "invalid_value": {
      "type": ["integer", "number", "string"],
      "description": "Value returned by the generated function when a key isn't found (also used to fill unused slots)."
    },
    "comment_funct": {
      "type": "boolean",
      "description": "If true, the generated function body is wrapped in /* */ (useful when you only want the tables and will write the function yourself)."
    },
    "guard_name": {
      "type": ["string", "null"],
      "description": "Optional #ifndef/#define include guard name for the generated file."
    },
    "bin": {
      "type": "object",
      "description": "Optional: if present, the raw tables are also written as binary files.",
      "properties": {
        "seeds": { "type": "string", "description": "Output path for the seeds .bin file." },
        "values": { "type": "string", "description": "Output path for the values .bin file." },
        "meta": { "type": "string", "description": "Output path for the meta .bin file." },
        "hash": { "type": "string", "description": "Output path for the hashes .bin file." }
      },
      "additionalProperties": false
    },
    "hash": {
      "type": "object",
      "description": "Bucket hash: converts each string key into a ulong before bucketing.",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["TSN_PHASH_TYPE_FNV1A_64", "TSN_PHASH_TYPE_XXHASH_64"],
          "description": "Bucket hash algorithm."
        },
        "config": {
          "type": "object",
          "description": "Algorithm-specific settings. Use 'basis'/'prime' for TSN_PHASH_TYPE_FNV1A_64, or 'seed' for TSN_PHASH_TYPE_XXHASH_64.",
          "properties": {
            "basis": {
              "type": ["string", "integer"],
              "description": "FNV-1a offset basis. Use the string 'def' for the standard FNV-1a-64 constant, or a numeric value to override it."
            },
            "prime": {
              "type": ["string", "integer"],
              "description": "FNV-1a prime. Use the string 'def' for the standard FNV-1a-64 constant, or a numeric value to override it."
            },
            "seed": {
              "type": "integer",
              "description": "xxHash64 seed (only used when hash.type is TSN_PHASH_TYPE_XXHASH_64)."
            }
          },
          "additionalProperties": false
        }
      },
      "required": ["type"],
      "additionalProperties": false
    },
    "final_hash": {
      "type": "string",
      "enum": ["HASH_UL1_MUR_MUR", "HASH_UL1_SPLITMIX", "HASH_UL1_FMIX", "HASH_UL1_FIBBO"],
      "description": "Final per-bucket displacement hash, applied to the already-bucketed ulong key plus a seed."
    },
    "perfect_hash": {
      "type": "object",
      "description": "Perfect-hash construction settings.",
      "properties": {
        "elements_por_bucket": {
          "type": "number",
          "exclusiveMinimum": 0,
          "description": "Target average number of keys per bucket (lower = more buckets, generally faster to find a working seed)."
        },
        "load_factor": {
          "type": "number",
          "exclusiveMinimum": 0,
          "maximum": 1,
          "description": "Final table load factor (keys / final table size). Lower leaves more free slots, easing displacement at the cost of memory."
        }
      },
      "required": ["elements_por_bucket", "load_factor"],
      "additionalProperties": false
    },
    "map_use_value": {
      "type": "boolean",
      "description": "true = generate a values table (function returns the value directly). false = generate an indices table (function returns a position for you to index your own array with)."
    },
    "map": {
      "description": "The key set. An object (KEY: value) when map_use_value is true, or an array of key strings when map_use_value is false.",
      "anyOf": [
        {
          "type": "object",
          "description": "Used when map_use_value: true — each key maps to the value the generated function should return.",
          "additionalProperties": {
            "type": ["integer", "number", "string"]
          }
        },
        {
          "type": "array",
          "description": "Used when map_use_value: false — plain list of keys; the generated function returns each key's index.",
          "items": { "type": "string" }
        }
      ]
    }
  },
  "required": [
    "file_name_out",
    "func_name",
    "invalid_value",
    "hash",
    "final_hash",
    "perfect_hash",
    "map_use_value",
    "map"
  ],
  "additionalProperties": false
}