--[[
@module  tsb_waveout_page
@summary 波形输出页面
@version 1.0
@date    2026.03.18
@author  李一玮
@usage
本文件是波形输出页面，用于配置和控制波形输出。
]]

local tsb_waveout_page = {}

-- 页面UI元素
local main_container = nil
local max_amplitude_input = nil
local min_amplitude_input = nil
local frequency_input = nil
local duty_cycle_input = nil
local common_ui = require("tsb_common_page")
local uart1_msg = require("uart1_msg")

-- 配置参数
local wave_type = "方波"      -- 波形类型
local max_vol = "5.0"         -- 最大电压（V）
local min_vol = "0.0"         -- 最小电压（V）
local frequency = "1000"        -- 频率（Hz）
local duty_cycle = "50"         -- 占空比（%）
local is_running = false         -- 是否正在运行


-- 发送DAC配置
local function send_dac_config()
    -- 收集配置参数
    local config = {}
    
    -- 运行控制
    config.run_control = is_running and 1 or 0
    
    -- 波形类型
    local wave_type_map = {
        ["方波"] = 0,
        ["正弦波"] = 1,
        ["三角波"] = 2,
        ["锯齿波"] = 3
    }
    config.wave_type = wave_type_map[wave_type] or 0
    
    -- 最大电压和最小电压（转换为mV）
    local max_vol = max_amplitude_input and tonumber(max_amplitude_input:get_text()) or 5
    local min_vol = min_amplitude_input and tonumber(min_amplitude_input:get_text()) or 0
    config.max_vol = math.floor(max_vol * 1000)
    config.min_vol = math.floor(min_vol * 1000)
    
    -- 频率（Hz）
    config.frequency = frequency_input and tonumber(frequency_input:get_text()) or 1000
    
    -- 占空比（%）
    config.duty_cycle = duty_cycle_input and tonumber(duty_cycle_input:get_text()) or 50
    
    -- 发送配置
    uart1_msg.send_dac_config(config)
end


-- 创建UI
function tsb_waveout_page.create_ui()
    main_container = airui.container({
        x = 0,
        y = 0,
        w = 480,
        h = 320,
        color = 0xF5F5F5,
    })

    --------------------- 标题栏 ------------------------
    local title_bar = airui.container({
        parent = main_container,
        x = 0,
        y = 0,
        w = 480,
        h = 30,
        color = 0x72DDF7,
    })

    airui.label({
        parent = title_bar,
        text = "波形输出",
        x = 200,
        y = 8,
        w = 80,
        h = 20,
        font_size = 16,
        color = 0xFFFFFF,
    })

    -- 标题栏公共信息展示
    common_ui.add_battery_display(title_bar)
    common_ui.create_back_button(title_bar, tsb_waveout_page.cleanup)
    ---------------------------------------------------

    -- 主容器
    local scroll_container = airui.container({
        parent = main_container,
        x = 0,
        y = 30,
        w = 480,
        h = 270,
        color = 0xF5F5F5,
    })

    local keyboard1 = airui.keyboard({
        x = 0,
        y = 0,
        w = 480,
        h = 160,                        -- x, y, 键盘默认打开ALIGN_BOTTOM_MID，位置从中下方开始计算
        mode = "numeric",               -- 键盘模式，可选 "text"/"upper"/"lower"/"numeric"
        auto_hide = true,               -- 自动隐藏键盘
        preview = true,          
        preview_height = 35,
        bg_color = 0xf1f1f1,            -- 键盘背景颜色为灰色，可选，不设置则透明
        on_commit = function()          -- 确认事件回调，只有在按下确认键时才会触发
            log.info("keyboard", "commit")
            send_dac_config()
        end
    })

    -- 配置容器
    local config_container = airui.container({
        parent = scroll_container,
        x = 20,
        y = 20,
        w = 440,
        h = 180,
        color = 0xFFFFFF,
        radius = 8,
        border_width = 1,
        border_color = 0xDDDDDD,
    })

    local config_y = 20

    -- 波形类型
    airui.label({
        parent = config_container,
        text = "波形类型",
        x = 20,
        y = config_y,
        w = 80,
        h = 25,
        font_size = 14,
        color = 0x333333,
    })
    local wave_type_dropdown = airui.dropdown({
        parent = config_container,
        x = 120,
        y = config_y-8,
        w = 100,
        h = 35,
        options = {"方波", "正弦波", "三角波", "锯齿波"},
        default_index = 0,
        on_change = function(self, idx)
            local options = {"方波", "正弦波", "三角波", "锯齿波"}
            wave_type = options[idx + 1]
            log.info("waveout", "波形类型: " .. wave_type)
            send_dac_config()
        end
    })
    config_y = config_y + 40

    -- 幅度（峰峰值）
    airui.label({
        parent = config_container,
        text = "最大电压 (V)",
        x = 20,
        y = config_y,
        w = 100,
        h = 35,
        font_size = 14,
        color = 0x333333,
    })
    max_amplitude_input = airui.textarea({
        parent = config_container,
        x = 120,
        y = config_y-8,
        w = 100,
        h = 35,
        text = "5",
        max_len = 5,
        keyboard = keyboard1
    })

     airui.label({
        parent = config_container,
        text = "最小电压 (V)",
        x = 230,
        y = config_y,
        w = 100,
        h = 35,
        font_size = 14,
        color = 0x333333,
    })
    min_amplitude_input = airui.textarea({
        parent = config_container,
        x = 330,
        y = config_y-8,
        w = 100,
        h = 35,
        text = "0",
        max_len = 5,
        keyboard = keyboard1
    })
    config_y = config_y + 40

    -- 频率
    airui.label({
        parent = config_container,
        text = "频率 (Hz)",
        x = 20,
        y = config_y,
        w = 80,
        h = 25,
        font_size = 14,
        color = 0x333333,
    })
    frequency_input = airui.textarea({
        parent = config_container,
        x = 120,
        y = config_y-8,
        w = 100,
        h = 35,
        text = "1000",
        max_len = 6,
        keyboard = keyboard1
    })
    config_y = config_y + 40

    -- 占空比（仅方波可用）
    airui.label({
        parent = config_container,
        text = "占空比 (%)",
        x = 20,
        y = config_y,
        w = 80,
        h = 25,
        font_size = 14,
        color = 0x333333,
    })
    duty_cycle_input = airui.textarea({
        parent = config_container,
        x = 120,
        y = config_y-8,
        w = 100,
        h = 35,
        text = "50",
        max_len = 3,
        keyboard = keyboard1
    })

    -- 控制按钮区域
    local button_container = airui.container({
        parent = scroll_container,
        x = 20,
        y = 210,
        w = 440,
        h = 40,
        color = 0xF5F5F5,
    })

    -- 开始按钮
    local start_btn = airui.button({
        parent = button_container,
        text = "开始",
        x = 100,
        y = 0,
        w = 100,
        h = 35,
        color = 0x4CAF50,
        text_color = 0xFFFFFF,
        style = { bg_color = 0x2B6FF1,border_color = 0x2B6FF1, text_color = 0xFFFFFF, radius = 8 },
        on_click = function(self)
            if not is_running then
                is_running = true
                self:set_text("运行中")
                -- 获取配置参数
                max_vol = max_amplitude_input:get_text()
                min_vol = min_amplitude_input:get_text()
                frequency = frequency_input:get_text()
                duty_cycle = duty_cycle_input:get_text()
                log.info("waveout", "开始输出波形", wave_type, max_vol, min_vol, frequency, duty_cycle)
                -- 发送配置指令
                send_dac_config()
            end
        end
    })

    -- 停止按钮
    local stop_btn = airui.button({
        parent = button_container,
        text = "停止",
        x = 240,
        y = 0,
        w = 100,
        h = 35,
        color = 0xF44336,
        text_color = 0xFFFFFF,
        on_click = function(self)
            if is_running then
                is_running = false
                start_btn:set_text("开始")
                log.info("waveout", "停止输出波形")
                -- 发送停止指令
                send_dac_config()
            end
        end
    })

    -- 底部信息
    common_ui.create_status_bar(main_container)
end

-- 初始化页面
function tsb_waveout_page.init(params)
    tsb_waveout_page.create_ui()
end


-- 直接使用全局变量发送配置（不依赖UI元素）
local function send_dac_config_direct()
    local config = {}
    
    -- 运行控制
    config.run_control = is_running and 1 or 0
    
    -- 波形类型
    local wave_type_map = {
        ["方波"] = 0,
        ["正弦波"] = 1,
        ["三角波"] = 2,
        ["锯齿波"] = 3
    }
    config.wave_type = wave_type_map[wave_type] or 0
    
    -- 最大电压和最小电压（转换为mV）
    config.max_vol = math.floor((tonumber(max_vol) or 5) * 1000)
    config.min_vol = math.floor((tonumber(min_vol) or 0) * 1000)
    
    -- 频率（Hz）
    config.frequency = tonumber(frequency) or 1000
    
    -- 占空比（%）
    config.duty_cycle = tonumber(duty_cycle) or 50
    
    -- 发送配置
    uart1_msg.send_dac_config(config)
end

-- 恢复默认配置并下发
local function restore_default_config()
    -- 恢复默认配置参数
    wave_type = "方波"
    max_vol = "5.0"
    min_vol = "0.0"
    frequency = "1000"
    duty_cycle = "50"
    is_running = false
    
    -- 使用不依赖UI的方式下发配置
    send_dac_config_direct()
    log.info("waveout", "已恢复默认配置并下发")
end

-- 清理页面
function tsb_waveout_page.cleanup()
    -- 恢复默认配置并下发（在销毁UI之前执行）
    restore_default_config()
    
    if main_container then
        main_container:destroy()
        main_container = nil
    end
end

return tsb_waveout_page