-- #198. The runtime-editable half of subtitle configuration (DESIGN.md §15,
-- §10). The other half — provider credentials, translator keys, the
-- remote-command template, the alass and ffmpeg binary paths — is
-- config/env only and never reaches this table.
--
-- One row: the wanted set, enabled providers and translation engine are
-- global, not per root (§15), so there is nothing to key this on.

CREATE TABLE subtitle_settings (
    id                       INTEGER PRIMARY KEY CHECK (id = 1),
    -- Language tags as `arr_core::Language` spells them, e.g. `pt-PT`, `en`.
    wanted_languages         TEXT NOT NULL DEFAULT '["pt-PT","en"]'
                             CHECK (json_valid(wanted_languages)),
    -- Provider ids in search order (DESIGN.md §15's ranking runs per
    -- provider before it runs per candidate). Absent from the array means
    -- disabled.
    providers_enabled        TEXT NOT NULL DEFAULT '["opensubtitles","podnapisi"]'
                             CHECK (json_valid(providers_enabled)),
    -- The compiled-in backend in use, or NULL when translation is off. Not
    -- checked against the running binary's features here — the API does
    -- that (#198) — so a rebuild with a different feature set never leaves
    -- an unreadable row.
    translation_engine       TEXT
                             CHECK (translation_engine IN ('openai', 'deepl', 'google', 'command')),
    -- Provider id / engine name -> a daily allowance (§15's token buckets,
    -- #197). A missing key means no allowance configured yet, not zero.
    provider_daily_budgets   TEXT NOT NULL DEFAULT '{}' CHECK (json_valid(provider_daily_budgets)),
    translator_daily_budgets TEXT NOT NULL DEFAULT '{}' CHECK (json_valid(translator_daily_budgets)),
    -- Only the remote-command backend needs one of these: the HTTP backends
    -- carry their own client timeout.
    remote_command_timeout_seconds INTEGER NOT NULL DEFAULT 30
                                   CHECK (remote_command_timeout_seconds > 0),
    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
    updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
) STRICT;

INSERT INTO subtitle_settings (id) VALUES (1);