-- =============================================================
-- V043__site_25a_fixed_buy_seed.sql
-- Sloupce pro fixní nákupní energii (NT + příplatek VT) a seed lokality site-25a.
--
-- Jedna verzovaná migrace: čtyři FVE pole (různá orientace), žádný mezikrok pv-a/pv-b.
--
-- Obnova / přepnutí checksum na DB, kde už běžela starší varianta V043 nebo V044:
--   DELETE FROM flyway_schema_history WHERE version IN ('043', '044');
--   Potom: flyway migrate
-- (Sloupce buy_fixed_* zůstanou díky ADD COLUMN IF NOT EXISTS; DO blok smaže legacy pv-a/pv-b
--  a doplní pv-str-*/pv-mi-* pokud chybí.)
-- =============================================================

-- Fixní složka nákupu bez DPH (k distribuci / poplatkům / marži / DPH dle fn_effective_buy_price)
ALTER TABLE ems.site_market_config
    ADD COLUMN IF NOT EXISTS buy_fixed_energy_nt_czk_kwh NUMERIC(10,6),
    ADD COLUMN IF NOT EXISTS buy_fixed_vt_surcharge_czk_kwh NUMERIC(10,6) NOT NULL DEFAULT 0;

COMMENT ON COLUMN ems.site_market_config.buy_fixed_energy_nt_czk_kwh IS
'Při purchase_pricing_mode = fixed: základní nákupní cena energie Kč/kWh bez DPH v NT hodinách. VT = tato hodnota + buy_fixed_vt_surcharge_czk_kwh podle HDO oken.';

COMMENT ON COLUMN ems.site_market_config.buy_fixed_vt_surcharge_czk_kwh IS
'Při purchase_pricing_mode = fixed: příplatek Kč/kWh bez DPH k NT ceně ve VT oknech dle hdo_code_id.';

-- =============================================================
-- Seed lokality (idempotentní DO blok)
-- Viz docs/new-site-setup-template.md – ev-charger-1 pro planner/telemetrii.
-- FVE: čtyři záznamy asset_pv_array (forecast service běží per pole; planner sčítá controllable / !controllable).
-- =============================================================

DO $$
DECLARE
    v_site_code TEXT := 'BA81';

    v_host_modbus TEXT := '109.164.83.155';
    v_port_modbus INT  := 502;
    v_host_loxone TEXT := '109.164.83.155';
    v_port_loxone INT  := 8080;

    v_site_id   INT;
    v_ep_deye   INT;
    v_ep_ev     INT;
    v_ep_loxone INT;
    v_inv_main  INT;
    v_inv_gen   INT;
    v_hdo_id    INT;
    v_ch_id     INT;
BEGIN
    SELECT hc.id INTO v_hdo_id
    FROM ems.hdo_code hc
    WHERE hc.distributor = 'EGD' AND hc.code = 'custom_fve_home01'
    ORDER BY hc.valid_from DESC NULLS LAST
    LIMIT 1;

    INSERT INTO ems.site (code, name, timezone, latitude, longitude, active, notes)
    VALUES (
        v_site_code,
        'Lokalita 25A / 17 kW příkon',
        'Europe/Prague',
        49.24368977130069,
        17.425553019721196,
        true,
        'Připojení 3×25 A → import max 17 kW, export max 16 kW. '
        'Při omezení exportu do DS nastavit v Deye SmartLoad: „MI export to Grid cutoff“ = enable; '
        'po uvolnění exportu znovu disable. Veřejná IP tunelovaná z EMS serveru.'
    )
    ON CONFLICT (code) DO UPDATE SET
        name      = EXCLUDED.name,
        timezone  = EXCLUDED.timezone,
        latitude  = EXCLUDED.latitude,
        longitude = EXCLUDED.longitude,
        active    = EXCLUDED.active,
        notes     = EXCLUDED.notes
    RETURNING id INTO v_site_id;

    SELECT se.id INTO v_ep_deye
    FROM ems.site_endpoint se
    WHERE se.site_id = v_site_id
      AND se.endpoint_type = 'modbus_tcp'
      AND se.notes ILIKE '%Deye%'
    ORDER BY se.id
    LIMIT 1;

    IF v_ep_deye IS NULL THEN
        INSERT INTO ems.site_endpoint (
            site_id, endpoint_type, host, port, protocol, unit_id, enabled, notes
        )
        VALUES (
            v_site_id, 'modbus_tcp', v_host_modbus, v_port_modbus, 'modbus_tcp', 1, true,
            'Deye 12kW LV – Modbus TCP (Waveshare).'
        )
        RETURNING id INTO v_ep_deye;
    END IF;

    SELECT se.id INTO v_ep_ev
    FROM ems.site_endpoint se
    WHERE se.site_id = v_site_id
      AND se.endpoint_type = 'modbus_tcp'
      AND se.notes ILIKE '%Teltonika%'
    ORDER BY se.id
    LIMIT 1;

    IF v_ep_ev IS NULL THEN
        INSERT INTO ems.site_endpoint (
            site_id, endpoint_type, host, port, protocol, unit_id, enabled, notes
        )
        VALUES (
            v_site_id, 'modbus_tcp', v_host_modbus, v_port_modbus, 'modbus_tcp', 2, true,
            'Teltonika TeltoCharge 22kW – stejná IP jako Deye, unit_id 2 (upřesni dle zapojení).'
        )
        RETURNING id INTO v_ep_ev;
    END IF;

    SELECT se.id INTO v_ep_loxone
    FROM ems.site_endpoint se
    WHERE se.site_id = v_site_id
      AND se.endpoint_type = 'loxone_http'
    ORDER BY se.id
    LIMIT 1;

    IF v_ep_loxone IS NULL THEN
        INSERT INTO ems.site_endpoint (
            site_id, endpoint_type, host, port, protocol, unit_id, enabled, notes
        )
        VALUES (
            v_site_id, 'loxone_http', v_host_loxone, v_port_loxone, 'http', NULL, true,
            'Loxone Miniserver (HTTP Virtual Inputs).'
        )
        RETURNING id INTO v_ep_loxone;
    END IF;

    INSERT INTO ems.site_grid_connection (
        site_id, max_import_power_w, max_export_power_w, no_export, reserved_capacity_w, notes
    )
    VALUES (
        v_site_id, 17000, 16000, false, 0,
        'Max 25 A přívod → cca 17 kW import; přetok / export povolen 16 kW.'
    )
    ON CONFLICT (site_id) DO UPDATE SET
        max_import_power_w  = EXCLUDED.max_import_power_w,
        max_export_power_w  = EXCLUDED.max_export_power_w,
        no_export           = EXCLUDED.no_export,
        reserved_capacity_w = EXCLUDED.reserved_capacity_w,
        notes               = EXCLUDED.notes;

    IF NOT EXISTS (
        SELECT 1 FROM ems.site_market_config smc
        WHERE smc.site_id = v_site_id AND smc.valid_to IS NULL
    ) THEN
        INSERT INTO ems.site_market_config (
            site_id,
            purchase_pricing_mode, sale_pricing_mode,
            buy_margin_fixed_czk, buy_margin_percent,
            sell_margin_fixed_czk, sell_margin_percent,
            currency, valid_from, valid_to, notes,
            tariff_id, hdo_code_id, system_services_czk_kwh, ote_fee_czk_kwh,
            buy_fixed_energy_nt_czk_kwh, buy_fixed_vt_surcharge_czk_kwh
        )
        VALUES (
            v_site_id,
            'fixed', 'spot',
            0, 0,
            -0.020, 0,
            'CZK', now(), NULL,
            'Nákup fixní 3,67 Kč/kWh bez DPH (NT) + 0,52 Kč/kWh bez DPH ve VT (okna dle HDO jako home-01). '
            'Prodej na spotu jako home-01. Distribuce v efektivní ceně 0 (tariff_id NULL) – energie jen fix + DPH dle vat_rate výchozí.',
            NULL,
            v_hdo_id,
            0,
            0,
            3.67,
            0.52
        );
    END IF;

    INSERT INTO ems.site_operating_mode (site_id, mode_code, activated_by, notes)
    VALUES (
        v_site_id,
        'MANUAL',
        'migration:V043_site_25a',
        'Start MANUAL; po ověření přepnout na AUTO.'
    )
    ON CONFLICT (site_id) DO NOTHING;

    SELECT ai.id INTO v_inv_main
    FROM ems.asset_inverter ai
    WHERE ai.site_id = v_site_id AND ai.code = 'deye-main'
    LIMIT 1;

    IF v_inv_main IS NULL THEN
        INSERT INTO ems.asset_inverter (
            site_id, code, manufacturer, model, endpoint_id,
            max_charge_power_w, max_discharge_power_w, max_export_power_w,
            max_ac_output_w, max_dc_input_w, max_battery_charge_w, max_battery_discharge_w,
            gen_port_max_power_w,
            controllable, active, notes
        )
        VALUES (
            v_site_id,
            'deye-main',
            'Deye',
            NULL,
            v_ep_deye,
            6250, 6250, 12000,
            12000, 24000, 6250, 6250,
            5000,
            true, true,
            '12kW LV hybrid. Baterie limit 0,5C ≈ 6,25 kW (280 A teoreticky vyšší – plánování dle 6,25 kW). '
            'GEN port max ~5 kW součet MI.'
        )
        RETURNING id INTO v_inv_main;
    END IF;

    SELECT ai.id INTO v_inv_gen
    FROM ems.asset_inverter ai
    WHERE ai.site_id = v_site_id AND ai.code = 'ongrid-gen'
    LIMIT 1;

    IF v_inv_gen IS NULL THEN
        INSERT INTO ems.asset_inverter (
            site_id, code, manufacturer, model, endpoint_id,
            max_export_power_w, controllable, active, notes
        )
        VALUES (
            v_site_id,
            'ongrid-gen',
            NULL, NULL, NULL,
            5000, false, true,
            'Mikroinvertory na GEN portu (2 skupiny panelů), EMS necurtailuje.'
        )
        RETURNING id INTO v_inv_gen;
    END IF;

    IF NOT EXISTS (
        SELECT 1 FROM ems.asset_battery ab
        WHERE ab.site_id = v_site_id AND ab.code = 'bat-main'
    ) THEN
        INSERT INTO ems.asset_battery (
            site_id, inverter_id, code,
            usable_capacity_wh, min_soc_percent, reserve_soc_percent, max_soc_percent,
            charge_efficiency, discharge_efficiency, degradation_cost_czk_kwh,
            max_charge_c_rate, max_discharge_c_rate, bms_max_charge_w, bms_max_discharge_w
        )
        VALUES (
            v_site_id, v_inv_main, 'bat-main',
            12500,
            10, 15, 95,
            0.95, 0.95,
            0.50,
            0.5, 0.5,
            6250, 6250
        );
    END IF;

    -- Odstranění starého agregovaného seedu (pv-a / pv-b), pokud na DB zůstal z dřívější verze.
    DELETE FROM ems.forecast_accuracy fa
    WHERE fa.pv_array_id IN (
        SELECT id FROM ems.asset_pv_array
        WHERE site_id = v_site_id AND code IN ('pv-a', 'pv-b')
    );

    DELETE FROM ems.forecast_pv_interval fpi
    USING ems.asset_pv_array apa
    WHERE apa.site_id = v_site_id
      AND apa.code IN ('pv-a', 'pv-b')
      AND fpi.pv_array_id = apa.id;

    DELETE FROM ems.forecast_pv_run fpr
    WHERE fpr.site_id = v_site_id
      AND fpr.pv_array_id IN (
          SELECT id FROM ems.asset_pv_array
          WHERE site_id = v_site_id AND code IN ('pv-a', 'pv-b')
      );

    DELETE FROM ems.asset_pv_array
    WHERE site_id = v_site_id AND code IN ('pv-a', 'pv-b');

    -- String 1: 12×620 Wp @110° / 45° (Deye, řiditelné)
    IF NOT EXISTS (
        SELECT 1 FROM ems.asset_pv_array ap
        WHERE ap.site_id = v_site_id AND ap.code = 'pv-str-1'
    ) THEN
        INSERT INTO ems.asset_pv_array (
            site_id, inverter_id, code, name,
            nominal_power_wp, azimuth_deg, tilt_deg, module_count, shading_factor,
            controllable, telemetry_source, notes
        )
        VALUES (
            v_site_id, v_inv_main, 'pv-str-1', 'String 1 – 12×620 Wp',
            7440, 110, 45, 12, 1.0, true, 'pv_strings',
            'Hlavní telemetrie stringů Deye (pv1+pv2); druhý string má telemetry_source NULL.'
        );
    END IF;

    -- String 2: 8×620 Wp @200° / 10° (Deye, řiditelné)
    IF NOT EXISTS (
        SELECT 1 FROM ems.asset_pv_array ap
        WHERE ap.site_id = v_site_id AND ap.code = 'pv-str-2'
    ) THEN
        INSERT INTO ems.asset_pv_array (
            site_id, inverter_id, code, name,
            nominal_power_wp, azimuth_deg, tilt_deg, module_count, shading_factor,
            controllable, telemetry_source, notes
        )
        VALUES (
            v_site_id, v_inv_main, 'pv-str-2', 'String 2 – 8×620 Wp',
            4960, 200, 10, 8, 1.0, true, NULL,
            'Vlastní predikce orientace; telemetrie sdílená se stringem 1.'
        );
    END IF;

    -- MI 5×620 Wp @200° / 45° (GEN, neriditelné)
    IF NOT EXISTS (
        SELECT 1 FROM ems.asset_pv_array ap
        WHERE ap.site_id = v_site_id AND ap.code = 'pv-mi-1'
    ) THEN
        INSERT INTO ems.asset_pv_array (
            site_id, inverter_id, code, name,
            nominal_power_wp, azimuth_deg, tilt_deg, module_count, shading_factor,
            controllable, telemetry_source, notes
        )
        VALUES (
            v_site_id, v_inv_gen, 'pv-mi-1', 'Mikroinvertory 5×620 Wp',
            3100, 200, 45, 5, 1.0, false, 'gen_port',
            'Souhrnná telemetrie GEN portu; druhá MI skupina má telemetry NULL.'
        );
    END IF;

    -- MI 3×620 Wp @110° / 10° (GEN, neriditelné)
    IF NOT EXISTS (
        SELECT 1 FROM ems.asset_pv_array ap
        WHERE ap.site_id = v_site_id AND ap.code = 'pv-mi-2'
    ) THEN
        INSERT INTO ems.asset_pv_array (
            site_id, inverter_id, code, name,
            nominal_power_wp, azimuth_deg, tilt_deg, module_count, shading_factor,
            controllable, telemetry_source, notes
        )
        VALUES (
            v_site_id, v_inv_gen, 'pv-mi-2', 'Mikroinvertory 3×620 Wp',
            1860, 110, 10, 3, 1.0, false, NULL,
            'Predikce samostatně; gen_port u pv-mi-1.'
        );
    END IF;

    IF NOT EXISTS (
        SELECT 1 FROM ems.asset_ev_charger c
        WHERE c.site_id = v_site_id AND c.code = 'ev-charger-1'
    ) THEN
        INSERT INTO ems.asset_ev_charger (
            site_id, code, manufacturer, model, endpoint_id,
            max_power_w, min_power_w, phases, connector_count, schedulable, notes
        )
        VALUES (
            v_site_id, 'ev-charger-1', 'Teltonika', 'TeltoCharge 22kW',
            v_ep_ev,
            22000, 1380, 3, 1, true,
            'Jedna nabíječka; kód ev-charger-1 kvůli planneru / telemetrii.'
        )
        RETURNING id INTO v_ch_id;
    ELSE
        SELECT id INTO v_ch_id FROM ems.asset_ev_charger
        WHERE site_id = v_site_id AND code = 'ev-charger-1'
        LIMIT 1;
    END IF;

    INSERT INTO ems.asset_vehicle (
        site_id, code, name, make, model,
        battery_capacity_kwh, max_charge_power_w, default_charger_id, api_type,
        default_target_soc_pct, default_deadline_hour, active
    )
    VALUES (
        v_site_id,
        'ev-default',
        'EV (výchozí)',
        NULL, NULL,
        60.0,
        11000,
        v_ch_id,
        'none',
        80,
        7,
        true
    )
    ON CONFLICT (site_id, code) DO NOTHING;

END;
$$;