1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43
44. 44
45. 45
46. 46
47. 47
48. 48
49. 49
50. 50
51. 51
52. 52
53. 53
54. 54
55. 55
56. 56
57. 57
58. 58
59. 59
60. 60
61. 61
62. 62
63. 63
64. 64
65. 65
66. 66
67. 67
68. 68
69. 69
70. 70
71. 71
72. 72
73. 73
74. 74
75. 75
76. 76
77. 77
78. 78
79. 79
80. 80
81. 81
82. 82
83. 83
84. 84
85. 85
86. 86
87. 87
88. 88
89. 89
90. 90
91. 91
92. 92
93. 93
94. 94
95. 95
96. 96
97. 97
98. 98
99. 99
100. 100
101. 101
102. 102
103. 103
104. 104
105. 105
106. 106
107. 107
108. 108
109. 109
110. 110
111. 111
112. 112
113. 113
114. 114
115. 115
116. 116
117. 117
118. 118
119. 119
120. 120
121. 121
122. 122
123. 123
124. 124
125. 125
126. 126
127. 127
128. 128
129. 129
130. 130
131. 131
132. 132
133. 133
134. 134

// Copyright 2025 Shota FUJI
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

import PlacKit
import os

protocol Zone {
	var id: String { get }
	var name: String { get }
	var playback: PlacKit.plac_transport_playback_state { get }
}

class CoreZone: Identifiable, Zone {
	var ptr: UnsafeMutablePointer<PlacKit.plac_transport_zone>

	var id: String {
		return String(cString: ptr.pointee.id)
	}

	var name: String {
		return String(cString: ptr.pointee.name)
	}

	var playback: PlacKit.plac_transport_playback_state {
		return ptr.pointee.playback
	}

	init(ptr: UnsafeMutablePointer<PlacKit.plac_transport_zone>) {
		self.ptr = ptr
	}

	deinit {
		PlacKit.plac_transport_zone_release(ptr)
	}
}

class MockZone: Identifiable, Zone {
	var id: String
	var name: String
	var playback: plac_transport_playback_state

	init(id: String, name: String, playback: plac_transport_playback_state) {
		self.id = id
		self.name = name
		self.playback = playback
	}
}

class ZoneListEvent {
	let logger = Logger()

	var ptr: UnsafeMutablePointer<PlacKit.plac_transport_zone_list_event>

	var addedZones: [CoreZone]
	var changedZones: [CoreZone]
	var removedZoneIds: [String]

	init(ptr: UnsafeMutablePointer<PlacKit.plac_transport_zone_list_event>) {
		self.ptr = ptr

		self.addedZones = []
		if ptr.pointee.added_zones_len > 0 {
			var addedZones: [CoreZone] = []

			if var current = ptr.pointee.added_zones_ptr.pointee {
				for _ in 0..<ptr.pointee.added_zones_len {
					addedZones.append(
						CoreZone(ptr: PlacKit.plac_transport_zone_retain(current))
					)
					current = current.successor()
				}

				self.addedZones = addedZones
			} else {
				logger.warning("added_zones_ptr is null")
			}
		}

		self.changedZones = []
		if ptr.pointee.changed_zones_len > 0 {
			var changedZones: [CoreZone] = []

			if var current = ptr.pointee.changed_zones_ptr.pointee {
				for _ in 0..<ptr.pointee.changed_zones_len {
					changedZones.append(
						CoreZone(ptr: PlacKit.plac_transport_zone_retain(current))
					)
					current = current.successor()
				}

				self.changedZones = changedZones
			} else {
				logger.warning("changed_zones_ptr is null")
			}
		}

		self.removedZoneIds = []
		if ptr.pointee.removed_zone_ids_len > 0 {
			var removedZoneIds: [String] = []

			if var current = ptr.pointee.removed_zone_ids_ptr {
				for i in 0..<ptr.pointee.removed_zone_ids_len {
					if let strPtr = current.pointee {
						removedZoneIds.append(String(cString: strPtr))
					} else {
						logger.warning("removed_zone_ids_ptr[\(i)] is null pointer")
					}
					current = current.successor()
				}

				self.removedZoneIds = removedZoneIds
			} else {
				logger.warning("removed_zone_ids_ptr is null")
			}
		}
	}

	deinit {
		PlacKit.plac_transport_zone_list_event_release(ptr)
	}
}