-- +migrate Up
CREATE TYPE Rating AS ENUM (
    'safe',
    'questionable',
    'explicit',
    'unknown'
    );

CREATE TYPE TagType AS ENUM (
    'general',
    'species',
    'character',
    'artist',
    'lore',
    'meta',
    'invalid',
    'copyright',
    'Contributor',
    'Unknown'
    );

CREATE TYPE ReportType AS ENUM (
    'duplicate',
    'missing_data',
    'rating_abuse',
    'illegal_content'
    );

CREATE TYPE ReportState AS ENUM (
    'pending_unclaimed',
    'pending',
    'approved',
    'partial',
    'rejected'
    );

CREATE TYPE pool_category AS ENUM (
    'series',
    'collection'
    );

CREATE TABLE "User"
(
    id         TEXT PRIMARY KEY,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at TIMESTAMP WITH TIME ZONE NULL
);

CREATE TABLE "Post"
(
    id         CHAR(25) PRIMARY KEY,
    rating     Rating,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at TIMESTAMP WITH TIME ZONE NULL NULL
);

CREATE TABLE "Source"
(
    id           CHAR(25) PRIMARY KEY,
    display_name TEXT NULL,
    icon         TEXT NULL,
    domain       TEXT NOT NULL UNIQUE,
    enabled      BOOL                     DEFAULT FALSE,
    meta         JSON                     DEFAULT '{}',
    created_at   TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at   TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at   TIMESTAMP WITH TIME ZONE NULL
);

CREATE TABLE "PostReference"
(
    post_id          CHAR(25) REFERENCES "Post" (id),
    source_id        CHAR(25) REFERENCES "Source" (id),
    url              TEXT NOT NULL,
    full_file_url    TEXT,
    preview_file_url TEXT,
    sample_file_url  TEXT,
    source_post_id   TEXT,
    PRIMARY KEY (post_id, source_id, url)
);

CREATE TABLE "Tag"
(
    id         SERIAL PRIMARY KEY,
    name       TEXT UNIQUE,
    tag_type   TagType,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at TIMESTAMP WITH TIME ZONE NULL
);

CREATE TABLE "TagAlias"
(
    id         SERIAL PRIMARY KEY,
    name       TEXT UNIQUE,
    tag_id     INT REFERENCES "Tag" (id),
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE "TagGroup"
(
    id         SERIAL PRIMARY KEY,
    name       TEXT UNIQUE,
    tag_id     INT REFERENCES "Tag" (id),
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE "UserSource"
(
    id                     CHAR(25) PRIMARY KEY,
    created_at             TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at             TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at             TIMESTAMP WITH TIME ZONE NULL NULL,
    user_id                CHAR(25) REFERENCES "User" (id) ON DELETE CASCADE,
    source_id              TEXT REFERENCES "Source" (id),
    scrape_time_interval   TEXT,
    account_username       TEXT,
    account_id             TEXT,
    last_scrape_time       TIMESTAMP WITH TIME ZONE,
    account_validate       BOOL                     DEFAULT FALSE,
    account_validation_key CHAR(25),
    UNIQUE (source_id, account_username, account_id)
);

CREATE TABLE "UserFavorites"
(
    id             CHAR(25) PRIMARY KEY,
    created_at     TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at     TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at     TIMESTAMP WITH TIME ZONE NULL NULL,
    user_id        TEXT REFERENCES "User" (id) ON DELETE CASCADE,
    post_id        CHAR(25) REFERENCES "Post" (id),
    user_source_id CHAR(25) REFERENCES "UserSource" (id) ON DELETE CASCADE
);

CREATE INDEX idx_user_post_deleted ON "UserFavorites"(user_id, deleted_at);
CREATE INDEX idx_created_at ON "UserFavorites"(created_at);

CREATE TABLE "post_tags"
(
    post_id  CHAR(25) REFERENCES "Post" (id),
    tag_id  INT REFERENCES "Tag" (id),
    PRIMARY KEY (post_id, tag_id)
);

CREATE TABLE "Pool"
(
    id         CHAR(25) PRIMARY KEY,
    name       TEXT,
    created_at TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP,
    deleted_at TIMESTAMP NULL,
    category   POOL_CATEGORY NOT NULL
);

CREATE TABLE "PoolPost"
(
    pool_id        CHAR(25) REFERENCES "Pool" (id) ON DELETE CASCADE,
    post_id        CHAR(25) REFERENCES "Post" (id),
    order_position INT NOT NULL DEFAULT 0,
    PRIMARY KEY (pool_id, post_id)
);

CREATE TABLE "PoolReference"
(
    pool_id   CHAR(25) REFERENCES "Pool" (id) ON DELETE CASCADE,
    source_id CHAR(25) REFERENCES "Source" (id),
    url       TEXT NOT NULL,
    PRIMARY KEY (pool_id, source_id, url)
);

CREATE TABLE "ScrapeHistory"
(
    id CHAR(25) PRIMARY KEY,
    user_source_id CHAR(25)  NOT NULL REFERENCES "UserSource" (id),
    created_at     TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    finished_at    TIMESTAMP NULL,
    error          TEXT NULL,
    added_posts    INT       NOT NULL,
    deleted_posts  INT       NOT NULL
);

CREATE TABLE "PostReport"
(
    id                 CHAR(25)    NOT NULL PRIMARY KEY,
    created_at         TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at         TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    deleted_at         TIMESTAMP WITH TIME ZONE NULL,
    post_id            CHAR(25)    NOT NULL REFERENCES "Post" (id),
    report_by          TEXT        NOT NULL REFERENCES "User" (id),
    report_description TEXT        NOT NULL,
    audit_by           TEXT NULL REFERENCES "User" (id),
    audit_description  TEXT        NOT NULL,
    report_type        ReportType  NOT NULL,
    report_state       ReportState NOT NULL
);