CREATE TABLE IF NOT EXISTS report_customer_config (
    customer_id          VARCHAR(64) PRIMARY KEY,
    customer_name        VARCHAR(160) NOT NULL,
    property_name        VARCHAR(160) NOT NULL,
    location             VARCHAR(160) NOT NULL,
    contact_line         VARCHAR(180) NOT NULL DEFAULT '',
    logo_data_uri        TEXT,
    logo_text            VARCHAR(5) NOT NULL,
    theme                VARCHAR(20) NOT NULL DEFAULT 'modern' CHECK (theme IN ('modern', 'classic')),
    primary_color        CHAR(7) NOT NULL DEFAULT '#1F5D66',
    secondary_color      CHAR(7) NOT NULL DEFAULT '#2C7C82',
    accent_color         CHAR(7) NOT NULL DEFAULT '#DBA25D',
    text_color           CHAR(7) NOT NULL DEFAULT '#24343A',
    muted_color          CHAR(7) NOT NULL DEFAULT '#718087',
    surface_color        CHAR(7) NOT NULL DEFAULT '#F2F6F5',
    font_family          VARCHAR(100) NOT NULL DEFAULT 'Arial',
    active               BOOLEAN NOT NULL DEFAULT TRUE,
    created_at           TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at           TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS monthly_report_runs (
    id                    BIGSERIAL PRIMARY KEY,
    customer_id           VARCHAR(64) NOT NULL REFERENCES report_customer_config(customer_id),
    report_year           INTEGER NOT NULL CHECK (report_year BETWEEN 2020 AND 2100),
    report_month          INTEGER NOT NULL CHECK (report_month BETWEEN 1 AND 12),
    status                VARCHAR(20) NOT NULL CHECK (status IN ('queued', 'processing', 'completed', 'failed')),
    report_version        VARCHAR(20) NOT NULL,
    prompt_version        VARCHAR(20) NOT NULL,
    template_version      VARCHAR(20) NOT NULL,
    claude_model          VARCHAR(80),
    storage_path          TEXT,
    checksum_sha256       CHAR(64),
    error_message         TEXT,
    started_at            TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    completed_at          TIMESTAMPTZ,
    created_at            TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    UNIQUE (customer_id, report_year, report_month, report_version)
);

CREATE INDEX IF NOT EXISTS idx_monthly_report_runs_status
    ON monthly_report_runs(status, report_year, report_month);