local device = {}
device.model = "TS0726_4_gang_2_scene"
device.vendor = "Tuya"
device.description = "4 gang switch + 2 scene with backlight"
device.fingerprint = {
    { model = "TS0726", manufacturer = "_TZ300A_1owxkmsd" },
}

-- All endpoints share the same descriptor (genOnOff + 0xE001), so the cluster
-- fallback cannot tell relays from scene keys and exposes every endpoint as a
-- switch. EP1-4 drive relays; EP5-6 are scene-only keys.
-- Backlight and power-on behavior are not wired up yet.
device.exposes = {
    {
        type = "switch",
        endpoint = "l1",
        features = {
            {
                type = "binary",
                name = "state",
                property = "state_l1",
                access = 7,
                value_on = "ON",
                value_off = "OFF",
                description = "On/off state of the switch",
                endpoint = "l1",
            },
        },
    },
    {
        type = "switch",
        endpoint = "l2",
        features = {
            {
                type = "binary",
                name = "state",
                property = "state_l2",
                access = 7,
                value_on = "ON",
                value_off = "OFF",
                description = "On/off state of the switch",
                endpoint = "l2",
            },
        },
    },
    {
        type = "switch",
        endpoint = "l3",
        features = {
            {
                type = "binary",
                name = "state",
                property = "state_l3",
                access = 7,
                value_on = "ON",
                value_off = "OFF",
                description = "On/off state of the switch",
                endpoint = "l3",
            },
        },
    },
    {
        type = "switch",
        endpoint = "l4",
        features = {
            {
                type = "binary",
                name = "state",
                property = "state_l4",
                access = 7,
                value_on = "ON",
                value_off = "OFF",
                description = "On/off state of the switch",
                endpoint = "l4",
            },
        },
    },
    {
        type = "enum",
        name = "switch_mode",
        property = "switch_mode_l1",
        access = 3,
        values = { "switch", "scene" },
        description = "switch: key toggles the relay; scene: key only sends an action",
        category = "config",
        endpoint = "l1",
    },
    {
        type = "enum",
        name = "switch_mode",
        property = "switch_mode_l2",
        access = 3,
        values = { "switch", "scene" },
        description = "switch: key toggles the relay; scene: key only sends an action",
        category = "config",
        endpoint = "l2",
    },
    {
        type = "enum",
        name = "switch_mode",
        property = "switch_mode_l3",
        access = 3,
        values = { "switch", "scene" },
        description = "switch: key toggles the relay; scene: key only sends an action",
        category = "config",
        endpoint = "l3",
    },
    {
        type = "enum",
        name = "switch_mode",
        property = "switch_mode_l4",
        access = 3,
        values = { "switch", "scene" },
        description = "switch: key toggles the relay; scene: key only sends an action",
        category = "config",
        endpoint = "l4",
    },
    {
        type = "enum",
        name = "action",
        property = "action",
        access = 1,
        values = { "scene_1", "scene_2", "scene_3", "scene_4", "scene_5", "scene_6" },
        description = "Triggered action (e.g. a button click)",
        category = "diagnostic",
    },
}

device.tuya = { magicPacket = true }

local SWITCH_MODE = { switch = 0, scene = 1 }

-- Scene keys, and relay keys in switch_mode "scene", send the Tuya-specific
-- genOnOff command 0xFD instead of toggling. Report it as scene_<endpoint>.
device.fromZigbee = {
    "on_off",
    {
        cluster = 0x0006,
        type = "command",
        convert = function(msg)
            if msg.is_attribute or msg.cmd_or_attr_id ~= 0xFD then return nil end
            return { action = "scene_" .. msg.endpoint }
        end,
    },
}

device.toZigbee = {
    "on_off",
    {
        key = "switch_mode",
        convert = function(value, endpoint)
            local mode = SWITCH_MODE[value]
            if mode == nil then return nil end
            -- manuSpecificTuya3 (0xE001) switchMode attr 0xD020 (ENUM8), per endpoint.
            return { cluster = 0xE001, endpoint = endpoint, isAttribute = true,
                     attrId = 0xD020, attrType = 0x30, payload = { mode } }
        end,
    },
}

device.endpoint = {
    l1 = 1,
    l2 = 2,
    l3 = 3,
    l4 = 4,
}

device.configure = {
    bind = { "genOnOff" },
    reporting = {
        {
            cluster = "genOnOff",
            attribute = "onOff",
            min = 0,
            max = 3600,
            change = 0,
        },
    },
}

device.meta = { multiEndpoint = true }

return device