SET AUTOCOMMIT ON;

CREATE SEQUENCE LOCATION_SYSTEM_SEQ;

CREATE TABLE location_system (
    id          NUMBER(38,0) NOT NULL,
    name        VARCHAR(32)  NOT NULL,
    description VARCHAR(255),
    PRIMARY KEY(id)
);


CREATE SEQUENCE ELEVATION_MODEL_SEQ;

CREATE TABLE elevation_model (
    id          NUMBER(38,0) NOT NULL,
    name        VARCHAR(32)  NOT NULL,
    unit_id     NUMBER(38,0) NOT NULL,
    PRIMARY KEY(id),
    CONSTRAINT fk_unit FOREIGN KEY (unit_id) REFERENCES units(id)
);


-- lookup table for bedheight types
CREATE TABLE bed_height_type (
    id          NUMBER(38,0) NOT NULL,
    name        VARCHAR(65)  NOT NULL,
    PRIMARY KEY(id)
);
INSERT INTO bed_height_type VALUES (1, 'Querprofile');
INSERT INTO bed_height_type VALUES (2, 'Flächenpeilung');
INSERT INTO bed_height_type VALUES (3, 'Flächen- u. Querprofilpeilungen');
INSERT INTO bed_height_type VALUES (4, 'DGM');
INSERT INTO bed_height_type VALUES (5, 'TIN');
INSERT INTO bed_height_type VALUES (6, 'Modell');


CREATE SEQUENCE BED_HEIGHT_SINGLE_ID_SEQ;

CREATE TABLE bed_height_single (
    id                      NUMBER(38,0) NOT NULL,
    river_id                NUMBER(38,0) NOT NULL,
    year                    NUMBER(38,0),
    sounding_width          NUMBER(38,0),
    type_id                 NUMBER(38,0) NOT NULL,
    location_system_id      NUMBER(38,0) NOT NULL,
    cur_elevation_model_id  NUMBER(38,0) NOT NULL,
    old_elevation_model_id  NUMBER(38,0),
    range_id                NUMBER(38,0),
    evaluation_by           VARCHAR(255),
    description             VARCHAR(255),
    PRIMARY KEY(id),
    CONSTRAINT fk_bed_single_river_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE,
    CONSTRAINT fk_type FOREIGN KEY (type_id) REFERENCES bed_height_type(id),
    CONSTRAINT fk_location_system FOREIGN KEY (location_system_id) REFERENCES location_system(id),
    CONSTRAINT fk_cur_elevation_model FOREIGN KEY (cur_elevation_model_id) REFERENCES elevation_model(id),
    CONSTRAINT fk_old_elevation_model FOREIGN KEY (old_elevation_model_id) REFERENCES elevation_model(id),
    CONSTRAINT fk_range FOREIGN KEY (range_id) REFERENCES ranges(id) ON DELETE CASCADE
);


CREATE SEQUENCE BED_HEIGHT_EPOCH_ID_SEQ;

CREATE TABLE bed_height_epoch (
    id                      NUMBER(38,0) NOT NULL,
    river_id                NUMBER(38,0) NOT NULL,
    time_interval_id        NUMBER(38,0) NOT NULL,
    -- sounding_with           NUMBER(38,0) NOT NULL,
    -- type_id                 NUMBER(38,0) NOT NULL,
    cur_elevation_model_id  NUMBER(38,0) NOT NULL,
    old_elevation_model_id  NUMBER(38,0),
    range_id                NUMBER(38,0),
    evaluation_by           VARCHAR(255),
    description             VARCHAR(255),
    PRIMARY KEY(id),
    CONSTRAINT fk_time_interval FOREIGN KEY (time_interval_id) REFERENCES time_intervals(id),
    CONSTRAINT fk_epoch_cur_elevation_model FOREIGN KEY (cur_elevation_model_id) REFERENCES elevation_model(id),
    CONSTRAINT fk_epoch_old_elevation_model FOREIGN KEY (old_elevation_model_id) REFERENCES elevation_model(id),
    CONSTRAINT fk_epoch_range FOREIGN KEY (range_id) REFERENCES ranges(id) ON DELETE CASCADE
);


CREATE SEQUENCE BED_SINGLE_VALUES_ID_SEQ;

CREATE TABLE bed_height_single_values (
    id                      NUMBER(38,0) NOT NULL,
    bed_height_single_id    NUMBER(38,0) NOT NULL,
    station                 DOUBLE PRECISION NOT NULL,
    height                  DOUBLE PRECISION,
    uncertainty             DOUBLE PRECISION,
    data_gap                DOUBLE PRECISION,
    sounding_width          DOUBLE PRECISION,
    width                   DOUBLE PRECISION,
    PRIMARY KEY(id),
    UNIQUE (station, bed_height_single_id),
    CONSTRAINT fk_bed_single_values_parent FOREIGN KEY (bed_height_single_id) REFERENCES bed_height_single(id) ON DELETE CASCADE
);


CREATE SEQUENCE BED_EPOCH_VALUES_ID_SEQ;

CREATE TABLE bed_height_epoch_values (
    id                      NUMBER(38,0) NOT NULL,
    bed_height_epoch_id     NUMBER(38,0) NOT NULL,
    station                 NUMBER(38,2) NOT NULL,
    height                  NUMBER(38,2),
    PRIMARY KEY(id),
    CONSTRAINT fk_bed_epoch_values_parent FOREIGN KEY (bed_height_epoch_id) REFERENCES bed_height_epoch(id) ON DELETE CASCADE
);


CREATE SEQUENCE DEPTHS_ID_SEQ;

CREATE TABLE depths (
    id      NUMBER(38,0) NOT NULL,
    lower   NUMBER(38,2) NOT NULL,
    upper   NUMBER(38,2) NOT NULL,
    PRIMARY KEY(id)
);


CREATE SEQUENCE SEDIMENT_DENSITY_ID_SEQ;

CREATE TABLE sediment_density (
    id          NUMBER(38,0) NOT NULL,
    river_id    NUMBER(38,0) NOT NULL,
    depth_id    NUMBER(38,0) NOT NULL,
    description VARCHAR(256),
    PRIMARY KEY(id),
    CONSTRAINT fk_sd_river_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE,
    CONSTRAINT fk_sd_depth_id FOREIGN KEY (depth_id) REFERENCES depths(id)
);


CREATE SEQUENCE SEDIMENT_DENSITY_VALUES_ID_SEQ;

CREATE TABLE sediment_density_values (
    id                  NUMBER(38,0) NOT NULL,
    sediment_density_id NUMBER(38,0) NOT NULL,
    station             NUMBER(38,2) NOT NULL,
    shore_offset	NUMBER(38,2),
    density             NUMBER(38,2) NOT NULL,
    description         VARCHAR(256),
    year                NUMBER(38,0),
    PRIMARY KEY(id),
    CONSTRAINT fk_sdv_sediment_density_id FOREIGN KEY(sediment_density_id) REFERENCES sediment_density(id) ON DELETE CASCADE
);


CREATE SEQUENCE MORPHOLOGIC_WIDTH_ID_SEQ;

CREATE TABLE morphologic_width (
    id          NUMBER(38,0) NOT NULL,
    river_id    NUMBER(38,0) NOT NULL,
    unit_id     NUMBER(38,0) NOT NULL,
    PRIMARY KEY(id),
    CONSTRAINT fk_mw_river_id FOREIGN KEY(river_id) REFERENCES rivers(id) ON DELETE CASCADE,
    CONSTRAINT fk_mw_unit_id FOREIGN KEY(unit_id) REFERENCES units(id)
);


CREATE SEQUENCE MORPH_WIDTH_VALUES_ID_SEQ;

CREATE TABLE morphologic_width_values (
    id                      NUMBER(38,0) NOT NULL,
    morphologic_width_id    NUMBER(38,0) NOT NULL,
    station                 NUMBER(38,3) NOT NULL,
    width                   NUMBER(38,3) NOT NULL,
    description             VARCHAR(256),
    PRIMARY KEY(id),
    CONSTRAINT fk_mwv_morphologic_width_id FOREIGN KEY (morphologic_width_id) REFERENCES morphologic_width(id) ON DELETE CASCADE
);


CREATE SEQUENCE DISCHARGE_ZONE_ID_SEQ;

CREATE TABLE discharge_zone (
    id                      NUMBER(38,0) NOT NULL,
    river_id                NUMBER(38,0) NOT NULL,
    gauge_name              VARCHAR(64)  NOT NULL, -- this is not very proper, but there are gauges with no db instance
    value                   NUMBER(38,3) NOT NULL,
    lower_discharge         VARCHAR(64)  NOT NULL,
    upper_discharge         VARCHAR(64),
    PRIMARY KEY(id),
    CONSTRAINT fk_dz_river_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE
);


CREATE SEQUENCE FLOW_VELOCITY_MODEL_ID_SEQ;

CREATE TABLE flow_velocity_model (
    id                  NUMBER(38,0) NOT NULL,
    discharge_zone_id   NUMBER(38,0) NOT NULL,
    description         VARCHAR(256),
    PRIMARY KEY (id),
    CONSTRAINT fk_fvm_discharge_zone_id FOREIGN KEY (discharge_zone_id) REFERENCES discharge_zone (id) ON DELETE CASCADE
);


CREATE SEQUENCE FLOW_VELOCITY_M_VALUES_ID_SEQ;

CREATE TABLE flow_velocity_model_values (
    id                      NUMBER(38,0) NOT NULL,
    flow_velocity_model_id  NUMBER(38,0) NOT NULL,
    station                 NUMBER(38,3) NOT NULL,
    q                       NUMBER(38,3) NOT NULL,
    total_channel           NUMBER(38,3) NOT NULL,
    main_channel            NUMBER(38,3) NOT NULL,
    shear_stress            NUMBER(38,3) NOT NULL,
    PRIMARY KEY(id),
    UNIQUE (station, flow_velocity_model_id),
    CONSTRAINT fk_fvv_flow_velocity_model_id FOREIGN KEY (flow_velocity_model_id) REFERENCES flow_velocity_model(id) ON DELETE CASCADE
);



CREATE SEQUENCE FV_MEASURE_ID_SEQ;

CREATE TABLE flow_velocity_measurements (
    id          NUMBER(38,0) NOT NULL,
    river_id    NUMBER(38,0) NOT NULL,
    description VARCHAR(256),
    PRIMARY KEY (id),
    CONSTRAINT fk_fvm_rivers_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE
);

CREATE SEQUENCE FV_MEASURE_VALUES_ID_SEQ;

CREATE TABLE flow_velocity_measure_values (
    id              NUMBER(38,0) NOT NULL,
    measurements_id NUMBER(38,0) NOT NULL,
    station         NUMBER(38,3) NOT NULL,
    datetime        TIMESTAMP,
    w               NUMBER(38,3) NOT NULL,
    q               NUMBER(38,3) NOT NULL,
    v               NUMBER(38,3) NOT NULL,
    description     VARCHAR(256),
    PRIMARY KEY (id),
    CONSTRAINT fk_fvmv_measurements_id FOREIGN KEY (measurements_id) REFERENCES flow_velocity_measurements (id) ON DELETE CASCADE
);


CREATE SEQUENCE GRAIN_FRACTION_ID_SEQ;

CREATE TABLE grain_fraction (
    id      NUMBER(38,0)   NOT NULL,
    name    VARCHAR(64)    NOT NULL,
    lower   NUMBER(38,3),
    upper   NUMBER(38,3),
    PRIMARY KEY (id)
);

--lookup table for sediment yield kinds
CREATE TABLE sediment_yield_kinds (
    id 	     int PRIMARY KEY NOT NULL,
    kind     VARCHAR(64) NOT NULL
);
INSERT INTO sediment_yield_kinds (id, kind) VALUES (0, 'non-official');
INSERT INTO sediment_yield_kinds (id, kind) VALUES (1, 'official');

CREATE SEQUENCE SEDIMENT_YIELD_ID_SEQ;

CREATE TABLE sediment_yield (
    id                  NUMBER(38,0) NOT NULL,
    river_id            NUMBER(38,0) NOT NULL,
    grain_fraction_id   NUMBER(38,0),
    unit_id             NUMBER(38,0) NOT NULL,
    time_interval_id    NUMBER(38,0) NOT NULL,
    description         VARCHAR(256),
    kind                NUMBER(38,0),
    PRIMARY KEY (id),
    CONSTRAINT fk_sy_river_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE,
    CONSTRAINT fk_sy_kind_id FOREIGN KEY (kind) REFERENCES sediment_yield_kinds(id),
    CONSTRAINT fk_sy_grain_fraction_id FOREIGN KEY (grain_fraction_id) REFERENCES grain_fraction(id),
    CONSTRAINT fk_sy_unit_id FOREIGN KEY (unit_id) REFERENCES units(id),
    CONSTRAINT fk_sy_time_interval_id FOREIGN KEY (time_interval_id) REFERENCES time_intervals(id)
);


CREATE SEQUENCE SEDIMENT_YIELD_VALUES_ID_SEQ;

CREATE TABLE sediment_yield_values (
    id                  NUMBER(38,0) NOT NULL,
    sediment_yield_id   NUMBER(38,0) NOT NULL,
    station             NUMBER(38,3) NOT NULL,
    value               NUMBER(38,3) NOT NULL,
    PRIMARY KEY (id),
    CONSTRAINT fk_syv_sediment_yield_id FOREIGN KEY (sediment_yield_id) REFERENCES sediment_yield(id) ON DELETE CASCADE
);


CREATE SEQUENCE MEASUREMENT_STATION_ID_SEQ;
CREATE TABLE measurement_station (
    id                       NUMBER(38)   NOT NULL,
    name                     VARCHAR(256) NOT NULL,
    river_id                 NUMBER(38)   NOT NULL,
    station                  NUMBER(38,3) NOT NULL,
    range_id                 NUMBER(38),
    measurement_type         VARCHAR(64)  NOT NULL,
    riverside                VARCHAR(16),
    reference_gauge_id       NUMBER(38),
    -- store name of reference gauges here too, as not all are in gauges
    reference_gauge_name     VARCHAR(64),
    observation_timerange_id NUMBER(38),
    operator                 VARCHAR(64),
    description              VARCHAR(512),
    PRIMARY KEY              (id),
    CONSTRAINT fk_ms_river_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE,
    CONSTRAINT fk_ms_range_id FOREIGN KEY (range_id) REFERENCES ranges(id) ON DELETE CASCADE,
    CONSTRAINT fk_ms_reference_gauge_id FOREIGN KEY (reference_gauge_id) REFERENCES gauges(id) ON DELETE CASCADE,
    CONSTRAINT fk_ms_observation_timerange_id FOREIGN KEY (observation_timerange_id) REFERENCES time_intervals(id)
);


CREATE SEQUENCE SQ_RELATION_ID_SEQ;

CREATE TABLE sq_relation (
    id               NUMBER(38,0) NOT NULL,
    river_id         NUMBER(38,0) NOT NULL,
    time_interval_id NUMBER(38,0) NOT NULL,
    description      VARCHAR(256),
    PRIMARY KEY (id),
    CONSTRAINT fk_sqr_river_id FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE,
    CONSTRAINT fk_sqr_tinterval_id FOREIGN KEY (time_interval_id) REFERENCES time_intervals(id)
);


CREATE SEQUENCE SQ_RELATION_VALUES_ID_SEQ;

CREATE TABLE sq_relation_value (
    id                       NUMBER(38,0) NOT NULL,
    sq_relation_id           NUMBER(38,0) NOT NULL,
    measurement_station_id   NUMBER(38,0) NOT NULL,
    parameter                VARCHAR(1) NOT NULL,
    a                        NUMBER(38,20) NOT NULL,
    b                        NUMBER(38,20) NOT NULL,
    qmax                     NUMBER(38,20) NOT NULL,
    rsq                      NUMBER(38,3),
    ntot                     NUMBER(38,0),
    noutl                    NUMBER(38,0),
    cferguson                NUMBER(38,20),
    cduan                    NUMBER(38,20),
    PRIMARY KEY (id),
    CONSTRAINT fk_sqr_id FOREIGN KEY (sq_relation_id) REFERENCES sq_relation(id) ON DELETE CASCADE,
    CONSTRAINT fk_mstation_id FOREIGN KEY (measurement_station_id) REFERENCES measurement_station(id) ON DELETE CASCADE
);