import {
  barComponentSchema,
  buttonComponentConfigSchema,
  buttonComponentSchema,
  componentBaseSchema,
  componentEventSchema,
  componentTypeSchema,
  numberComponentConfigSchema,
  numberComponentSchema,
  rectComponentSchema,
  textComponentConfigSchema,
  textComponentSchema,
} from '@cslab-dcs/schema/canvas/component'
import { describe, expect, it } from 'vitest'

// ──── 测试辅助函数 ────

function createValidBase(overrides: Record<string, unknown> = {}) {
  return {
    id: '550e8400-e29b-41d4-a716-446655440000',
    type: 'rect',
    name: '测试组件',
    position: { x: 100, y: 200 },
    size: { width: 300, height: 150 },
    ...overrides,
  }
}

// ============================================
// componentTypeSchema — 组件类型枚举
// ============================================

describe('componentTypeSchema — 组件类型枚举', () => {
  it('应接受所有合法的组件类型', () => {
    const validTypes = ['rect', 'number', 'text', 'bar', 'button', 'pidController', 'canvasSwitcher', 'custom']
    for (const type of validTypes) {
      expect(componentTypeSchema.safeParse(type).success).toBe(true)
    }
  })

  it('应拒绝无效的组件类型', () => {
    expect(componentTypeSchema.safeParse('invalid').success).toBe(false)
    expect(componentTypeSchema.safeParse('').success).toBe(false)
    expect(componentTypeSchema.safeParse(123).success).toBe(false)
  })
})

// ============================================
// componentBaseSchema — 组件基础属性
// ============================================

describe('componentBaseSchema — 组件基础属性', () => {
  it('最小合法数据应通过验证', () => {
    const result = componentBaseSchema.safeParse(createValidBase())
    expect(result.success).toBe(true)
  })

  it('id 必须是合法的 UUID', () => {
    const result = componentBaseSchema.safeParse(createValidBase({ id: 'not-a-uuid' }))
    expect(result.success).toBe(false)
  })

  it('id 不能为空', () => {
    const result = componentBaseSchema.safeParse(createValidBase({ id: '' }))
    expect(result.success).toBe(false)
  })

  it('name 不能为空字符串', () => {
    const result = componentBaseSchema.safeParse(createValidBase({ name: '' }))
    expect(result.success).toBe(false)
  })

  it('position 必须包含 x 和 y', () => {
    const result = componentBaseSchema.safeParse(createValidBase({ position: { x: 10 } }))
    expect(result.success).toBe(false)
  })

  it('size 的 width 和 height 必须为正数', () => {
    const negativeWidth = componentBaseSchema.safeParse(createValidBase({ size: { width: -10, height: 100 } }))
    expect(negativeWidth.success).toBe(false)

    const zeroHeight = componentBaseSchema.safeParse(createValidBase({ size: { width: 100, height: 0 } }))
    expect(zeroHeight.success).toBe(false)
  })

  it('默认值：zIndex 应为 0', () => {
    const result = componentBaseSchema.parse(createValidBase())
    expect(result.zIndex).toBe(0)
  })

  it('默认值：opacity 应为 1', () => {
    const result = componentBaseSchema.parse(createValidBase())
    expect(result.opacity).toBe(1)
  })

  it('默认值：visible 应为 true', () => {
    const result = componentBaseSchema.parse(createValidBase())
    expect(result.visible).toBe(true)
  })

  it('opacity 必须在 0-1 范围内', () => {
    const tooHigh = componentBaseSchema.safeParse(createValidBase({ opacity: 1.5 }))
    expect(tooHigh.success).toBe(false)

    const tooLow = componentBaseSchema.safeParse(createValidBase({ opacity: -0.1 }))
    expect(tooLow.success).toBe(false)

    const valid = componentBaseSchema.safeParse(createValidBase({ opacity: 0.5 }))
    expect(valid.success).toBe(true)
  })

  it('zIndex 必须是整数', () => {
    const floatZIndex = componentBaseSchema.safeParse(createValidBase({ zIndex: 1.5 }))
    expect(floatZIndex.success).toBe(false)
  })

  it('可选属性 bindings / style / events / metadata 为空时通过验证', () => {
    const data = createValidBase()
    const result = componentBaseSchema.safeParse(data)
    expect(result.success).toBe(true)
  })

  it('events 数组应验证每个事件的格式', () => {
    const data = createValidBase({
      events: [
        {
          id: 'evt-1',
          trigger: 'click',
          action: { type: 'callMethod' },
        },
      ],
    })
    const result = componentBaseSchema.safeParse(data)
    expect(result.success).toBe(true)
  })
})

// ============================================
// componentEventSchema — 事件 Schema
// ============================================

describe('componentEventSchema — 事件 Schema', () => {
  it('合法事件应通过验证', () => {
    const event = {
      id: 'evt-1',
      trigger: 'click',
      action: { type: 'callMethod' },
    }
    expect(componentEventSchema.safeParse(event).success).toBe(true)
  })

  it('trigger 只能是 click / dblclick', () => {
    const invalid = {
      id: 'evt-1',
      trigger: 'hover',
      action: { type: 'callMethod' },
    }
    expect(componentEventSchema.safeParse(invalid).success).toBe(false)
  })

  it('dblclick 触发器应通过验证', () => {
    const event = {
      id: 'evt-1',
      trigger: 'dblclick',
      action: { type: 'callMethod' },
    }
    expect(componentEventSchema.safeParse(event).success).toBe(true)
  })

  it('action.type 不能为空字符串', () => {
    const invalid = {
      id: 'evt-1',
      trigger: 'click',
      action: { type: '' },
    }
    expect(componentEventSchema.safeParse(invalid).success).toBe(false)
  })

  it('可选属性 condition 应通过验证', () => {
    const event = {
      id: 'evt-1',
      trigger: 'click',
      condition: 'vars.status === "running"',
      action: { type: 'navigate', payload: { target: 'page2' } },
    }
    const result = componentEventSchema.safeParse(event)
    expect(result.success).toBe(true)
  })
})

// ============================================
// rectComponentSchema — 矩形组件
// ============================================

describe('rectComponentSchema — 矩形组件', () => {
  it('合法矩形组件应通过验证', () => {
    const data = createValidBase({ type: 'rect' })
    expect(rectComponentSchema.safeParse(data).success).toBe(true)
  })

  it('type 必须是 rect', () => {
    const data = createValidBase({ type: 'text' })
    expect(rectComponentSchema.safeParse(data).success).toBe(false)
  })

  it('可选 config.fillColor', () => {
    const data = createValidBase({
      type: 'rect',
      config: { fillColor: '#FF0000' },
    })
    const result = rectComponentSchema.safeParse(data)
    expect(result.success).toBe(true)
    if (result.success) {
      expect(result.data.config?.fillColor).toBe('#FF0000')
    }
  })

  it('无 config 时也应通过', () => {
    const data = createValidBase({ type: 'rect' })
    expect(rectComponentSchema.safeParse(data).success).toBe(true)
  })
})

// ============================================
// numberComponentSchema / numberComponentConfigSchema — 数字组件
// ============================================

describe('numberComponentConfigSchema — 数字组件配置', () => {
  it('空对象应通过（全部可选或有默认值）', () => {
    const result = numberComponentConfigSchema.safeParse({})
    expect(result.success).toBe(true)
  })

  it('默认值：decimals 应为 2', () => {
    const result = numberComponentConfigSchema.parse({})
    expect(result.decimals).toBe(2)
  })

  it('默认值：thousandsSeparator 应为 false', () => {
    const result = numberComponentConfigSchema.parse({})
    expect(result.thousandsSeparator).toBe(false)
  })

  it('默认值：showTrend 应为 false', () => {
    const result = numberComponentConfigSchema.parse({})
    expect(result.showTrend).toBe(false)
  })

  it('decimals 必须在 0-10 范围内', () => {
    expect(numberComponentConfigSchema.safeParse({ decimals: -1 }).success).toBe(false)
    expect(numberComponentConfigSchema.safeParse({ decimals: 11 }).success).toBe(false)
    expect(numberComponentConfigSchema.safeParse({ decimals: 5 }).success).toBe(true)
  })

  it('decimals 必须是整数', () => {
    expect(numberComponentConfigSchema.safeParse({ decimals: 1.5 }).success).toBe(false)
  })

  it('prefix 和 suffix 应为字符串', () => {
    const result = numberComponentConfigSchema.safeParse({
      prefix: 'T=',
      suffix: '℃',
    })
    expect(result.success).toBe(true)
  })
})

describe('numberComponentSchema — 数字组件', () => {
  it('合法数字组件应通过验证', () => {
    const data = createValidBase({
      type: 'number',
      config: { decimals: 3, suffix: '℃' },
    })
    expect(numberComponentSchema.safeParse(data).success).toBe(true)
  })

  it('type 必须是 number', () => {
    const data = createValidBase({ type: 'rect' })
    expect(numberComponentSchema.safeParse(data).success).toBe(false)
  })
})

// ============================================
// textComponentSchema / textComponentConfigSchema — 文本组件
// ============================================

describe('textComponentConfigSchema — 文本组件配置', () => {
  it('空对象应通过', () => {
    expect(textComponentConfigSchema.safeParse({}).success).toBe(true)
  })

  it('默认值：content 应为空字符串', () => {
    const result = textComponentConfigSchema.parse({})
    expect(result.content).toBe('')
  })

  it('默认值：isDynamic 应为 false', () => {
    const result = textComponentConfigSchema.parse({})
    expect(result.isDynamic).toBe(false)
  })

  it('包含所有字段时应通过验证', () => {
    const config = {
      fillColor: '#FFFFFF',
      textColor: '#000000',
      content: '测试内容',
      isDynamic: true,
      expression: 'vars["MOD.val"]',
    }
    const result = textComponentConfigSchema.safeParse(config)
    expect(result.success).toBe(true)
  })
})

describe('textComponentSchema — 文本组件', () => {
  it('合法文本组件应通过验证', () => {
    const data = createValidBase({
      type: 'text',
      config: { content: 'Hello' },
    })
    expect(textComponentSchema.safeParse(data).success).toBe(true)
  })
})

// ============================================
// barComponentSchema — 棒图组件
// ============================================

describe('barComponentSchema — 棒图组件', () => {
  it('合法棒图组件应通过验证', () => {
    const data = createValidBase({
      type: 'bar',
      config: { min: 0, max: 100, direction: 'vertical' },
    })
    expect(barComponentSchema.safeParse(data).success).toBe(true)
  })

  it('config 可以包含分段颜色', () => {
    const data = createValidBase({
      type: 'bar',
      config: {
        min: 0,
        max: 100,
        colors: [
          { threshold: 30, color: '#00FF00' },
          { threshold: 70, color: '#FFFF00' },
          { threshold: 100, color: '#FF0000' },
        ],
      },
    })
    const result = barComponentSchema.safeParse(data)
    expect(result.success).toBe(true)
  })

  it('direction 只能是 horizontal 或 vertical', () => {
    const data = createValidBase({
      type: 'bar',
      config: { direction: 'diagonal' },
    })
    const result = barComponentSchema.safeParse(data)
    expect(result.success).toBe(false)
  })
})

// ============================================
// buttonComponentSchema / buttonComponentConfigSchema — 按钮组件
// ============================================

describe('buttonComponentConfigSchema — 按钮组件配置', () => {
  it('空对象应通过（使用默认值）', () => {
    expect(buttonComponentConfigSchema.safeParse({}).success).toBe(true)
  })

  it('默认值：label 应为 "按钮"', () => {
    const result = buttonComponentConfigSchema.parse({})
    expect(result.label).toBe('按钮')
  })

  it('默认值：buttonType 应为 trigger', () => {
    const result = buttonComponentConfigSchema.parse({})
    expect(result.buttonType).toBe('trigger')
  })

  it('默认值：confirmRequired 应为 false', () => {
    const result = buttonComponentConfigSchema.parse({})
    expect(result.confirmRequired).toBe(false)
  })

  it('buttonType 只能是 trigger / toggle / navigate', () => {
    expect(buttonComponentConfigSchema.safeParse({ buttonType: 'trigger' }).success).toBe(true)
    expect(buttonComponentConfigSchema.safeParse({ buttonType: 'toggle' }).success).toBe(true)
    expect(buttonComponentConfigSchema.safeParse({ buttonType: 'navigate' }).success).toBe(true)
    expect(buttonComponentConfigSchema.safeParse({ buttonType: 'invalid' }).success).toBe(false)
  })
})

describe('buttonComponentSchema — 按钮组件', () => {
  it('合法按钮组件应通过验证', () => {
    const data = createValidBase({
      type: 'button',
      config: {
        label: '启动',
        buttonType: 'trigger',
        targetMethod: 'startPump',
        confirmRequired: true,
        confirmMessage: '确认启动泵？',
      },
    })
    expect(buttonComponentSchema.safeParse(data).success).toBe(true)
  })
})

// ============================================
// 完整组件数据验证
// ============================================

describe('完整组件数据验证', () => {
  it('包含所有可选字段的完整组件应通过验证', () => {
    const fullComponent = {
      id: '550e8400-e29b-41d4-a716-446655440000',
      type: 'text',
      name: '温度显示',
      position: { x: 50, y: 100 },
      size: { width: 200, height: 40 },
      zIndex: 5,
      opacity: 0.8,
      visible: true,
      style: {
        fill: { color: '#FFFFFF', opacity: 0.5 },
        border: { color: '#333333', width: 1, style: 'solid' as const, radius: 4 },
        text: { fontSize: 16, color: '#000000', align: 'center' as const },
        shadow: { color: '#000000', blur: 4, offsetX: 1, offsetY: 2, enabled: true },
      },
      events: [
        {
          id: 'evt-1',
          trigger: 'click',
          action: { type: 'callMethod', payload: { method: 'reset' } },
        },
      ],
      metadata: { groupId: 'g1', groupName: '温度组' },
    }

    const result = textComponentSchema.safeParse(fullComponent)
    expect(result.success).toBe(true)
  })

  it('缺少必填字段 name 时应失败', () => {
    const data = {
      id: '550e8400-e29b-41d4-a716-446655440000',
      type: 'rect',
      position: { x: 0, y: 0 },
      size: { width: 100, height: 100 },
    }
    expect(componentBaseSchema.safeParse(data).success).toBe(false)
  })

  it('缺少必填字段 position 时应失败', () => {
    const data = {
      id: '550e8400-e29b-41d4-a716-446655440000',
      type: 'rect',
      name: '测试',
      size: { width: 100, height: 100 },
    }
    expect(componentBaseSchema.safeParse(data).success).toBe(false)
  })

  it('缺少必填字段 size 时应失败', () => {
    const data = {
      id: '550e8400-e29b-41d4-a716-446655440000',
      type: 'rect',
      name: '测试',
      position: { x: 0, y: 0 },
    }
    expect(componentBaseSchema.safeParse(data).success).toBe(false)
  })
})