-- MediaTracker database schema
-- MariaDB 11 / utf8mb4

CREATE DATABASE IF NOT EXISTS mediatracker
  CHARACTER SET utf8mb4
  COLLATE utf8mb4_unicode_ci;

USE mediatracker;

-- ─────────────────────────────────────────
-- NAS sources
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS nas_sources (
    id          INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    name        VARCHAR(255)    NOT NULL,
    path        VARCHAR(1024)   NOT NULL,
    last_scan   DATETIME        NULL,
    PRIMARY KEY (id),
    UNIQUE KEY uq_nas_path (path(512))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- ─────────────────────────────────────────
-- Movies
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS movies (
    id          INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    title       VARCHAR(512)    NOT NULL,
    year        SMALLINT        NULL,
    quality     VARCHAR(64)     NULL,
    codec       VARCHAR(64)     NULL,
    file_path   VARCHAR(2048)   NOT NULL,
    file_size   BIGINT UNSIGNED NULL,
    nas_id      INT UNSIGNED    NOT NULL,
    added_at    DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at  DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uq_movie_path (file_path(512)),
    INDEX idx_movie_title (title(255)),
    CONSTRAINT fk_movie_nas FOREIGN KEY (nas_id) REFERENCES nas_sources (id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- ─────────────────────────────────────────
-- Series
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS series (
    id              INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    title           VARCHAR(512)    NOT NULL,
    title_normalized VARCHAR(512)   NOT NULL,
    year            SMALLINT        NULL,
    added_at        DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uq_series_normalized (title_normalized(255)),
    INDEX idx_series_title (title(255))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- ─────────────────────────────────────────
-- Seasons
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS seasons (
    id              INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    series_id       INT UNSIGNED    NOT NULL,
    season_number   SMALLINT        NOT NULL,
    nas_id          INT UNSIGNED    NOT NULL,
    PRIMARY KEY (id),
    UNIQUE KEY uq_season (series_id, season_number, nas_id),
    CONSTRAINT fk_season_series FOREIGN KEY (series_id) REFERENCES series (id) ON DELETE CASCADE,
    CONSTRAINT fk_season_nas    FOREIGN KEY (nas_id)    REFERENCES nas_sources (id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- ─────────────────────────────────────────
-- Episodes
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS episodes (
    id              INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    season_id       INT UNSIGNED    NOT NULL,
    episode_number  SMALLINT        NOT NULL,
    title           VARCHAR(512)    NULL,
    quality         VARCHAR(64)     NULL,
    codec           VARCHAR(64)     NULL,
    file_path       VARCHAR(2048)   NOT NULL,
    file_size       BIGINT UNSIGNED NULL,
    added_at        DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uq_episode_path (file_path(512)),
    CONSTRAINT fk_episode_season FOREIGN KEY (season_id) REFERENCES seasons (id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- ─────────────────────────────────────────
-- Unmatched files
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS unmatched_files (
    id          INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    file_path   VARCHAR(2048)   NOT NULL,
    nas_id      INT UNSIGNED    NOT NULL,
    reason      VARCHAR(512)    NOT NULL,
    scanned_at  DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    INDEX idx_unmatched_nas (nas_id),
    CONSTRAINT fk_unmatched_nas FOREIGN KEY (nas_id) REFERENCES nas_sources (id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- ─────────────────────────────────────────
-- Scan history
-- ─────────────────────────────────────────
CREATE TABLE IF NOT EXISTS scan_history (
    id              INT UNSIGNED    NOT NULL AUTO_INCREMENT,
    scan_type       ENUM('full','incremental') NOT NULL,
    status          ENUM('running','completed','failed') NOT NULL DEFAULT 'running',
    started_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    finished_at     DATETIME        NULL,
    files_found     INT UNSIGNED    NOT NULL DEFAULT 0,
    files_added     INT UNSIGNED    NOT NULL DEFAULT 0,
    files_removed   INT UNSIGNED    NOT NULL DEFAULT 0,
    files_unmatched INT UNSIGNED    NOT NULL DEFAULT 0,
    error_message   TEXT            NULL,
    PRIMARY KEY (id),
    INDEX idx_scan_started (started_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;