---
config:
    layout: elk
---

erDiagram
    BeerStyle ||--o{ Beer : "categorizes"
    Beer ||--o{ BeerPhoto : "has photos"
    Beer ||--o{ BeerComment : "has comments"

    %% Cross-schema: defined in full in auth.mmd / brewery.mmd / media.mmd
    User ||--o{ Beer : "posts"
    Brewery ||--o{ Beer : "brews"
    User ||--o{ BeerComment : "comments"
    BeerPhoto }o--|| Photo : "uses photo"

    BeerStyle {
        uniqueidentifier BeerStyleID PK
        nvarchar StyleName UK
        nvarchar Description "nullable"
    }

    Beer {
        uniqueidentifier BeerPostID PK
        nvarchar Name
        nvarchar Description
        decimal ABV
        int IBU
        uniqueidentifier PostedByID FK
        uniqueidentifier BeerStyleID FK
        uniqueidentifier BrewedByID FK
        datetime CreatedAt
        datetime UpdatedAt "nullable"
    }

    BeerComment {
        uniqueidentifier BeerPostCommentID PK
        nvarchar Comment
        uniqueidentifier BeerPostID FK
        uniqueidentifier CommentedByID FK
        int Rating
        datetime CreatedAt
        datetime UpdatedAt "nullable"
    }

    BeerPhoto {
        uniqueidentifier BeerPostPhotoID PK
        uniqueidentifier BeerPostID FK
        uniqueidentifier PhotoID FK
        datetime LinkedAt
    }