// Compile-time constants for the dev-deploy plugin.

const PLUGIN_NAME    = "dev-deploy";
const PLUGIN_VERSION = "0.0.1";

// Namespace UUID for deterministic IDs derived from (kind, name).
// Generated once via crypto.randomUUID() and frozen here forever.
// Two environments that bootstrap from the same metadata population
// will assign identical UUIDs to entities with the same (kind, name).
const ID_NAMESPACE = "8b3a1e0d-4f6c-4d2a-9c5b-7e8f9a0b1c2d";

const OP_SCHEMA_VERSION = 1;

const DATA_MODES = {
    MANAGED: "managed",
    STARTER: "starter",
    USER:    "user"
};

const DESTRUCTIVE_POLICY = {
    AUTO:    "auto",
    CONFIRM: "confirm",
    REFUSE:  "refuse"
};

// Entity kinds the plugin tracks. Children point at parents via parent_uuid.
const ENTITY_KINDS = {
    TABLE:         "table",
    FIELD:         "field",
    VIEW:          "view",
    PAGE:          "page",
    TRIGGER:       "trigger",
    ROLE:          "role",
    LIBRARY:       "library",
    TAG:           "tag",
    CONSTRAINT:    "constraint",
    FILE:          "file",
    PAGE_GROUP:        "page_group",
    PAGE_GROUP_MEMBER: "page_group_member",
    WORKFLOW_STEP:     "workflow_step"
};


// Files don't have a meaningful integer id in current Saltcorn (File.create
// doesn't insert into _sc_files anymore — files are identified by their disk
// location and metadata via xattrs). We derive a stable 31-bit int from the
// location string so files fit the existing UNIQUE(kind, current_id) shape of
// _dd_entity_ids without a schema change.
const fileLocationToId = (location) => {
    const crypto = require("crypto");
    const hash = crypto.createHash("sha256").update(String(location)).digest();
    return hash.readUInt32BE(0) & 0x7FFFFFFF;
};


module.exports = {
    PLUGIN_NAME,
    PLUGIN_VERSION,
    ID_NAMESPACE,
    OP_SCHEMA_VERSION,
    DATA_MODES,
    DESTRUCTIVE_POLICY,
    ENTITY_KINDS,
    fileLocationToId
};